Asus VS248H-P 24 LED LCD Monitor - 16:9 - 2 ... vs Dell SE2717Hr 27" IPS LED Full HD Computer Monitor vs MSI GL72M 7RDX-800 17.3" Intel Core i7 7th

Products in this page have a price between $109.90 and $1,499.77

The most sold products in this comparison is Dell SE2717Hr 27" IPS LED Full HD Computer Monitor

	The cheapest (new) $109.90 The lightest 0.01 lb	The most sold
Product comparison 4 products added	The cheapest (new) $109.90 The lightest 0.01 lb Asus VS248H-P 24 LED LCD Monitor - 16:9 - 2 ms Description: Asus VS248H-P 24 LED LCD Monitor - 16:9 - 2 ms used , Grade A Description (ebay): LED Backlight. D-Sub, DVI, HDMI. Screen Size. 16.7 Million. Analog Signal Frequency: 50 - 76 HzDigital Signal Frequency: 50 - 76 Hz. Analog Signal Frequency: ... Aspectratio: 16:9 Manufacturer: Asus Publisher: Asus Partnumber: VS248HP Productgroup: PC Accessory Attributestudio: Asus Mpn: VS248HP Model: ManufactureInfo Label: Asus Brand: ASUS Binding: Personal Computers Studio: Asus screen size : 24 inches brand name : Asus item weight : 1 pounds asin : B00NK5GCRM date first available : January 8, 2014 Only show this one $ 194.985 $ -,- (new) Price updated 4 days ago - #CommissionEarned Asus VS248H-P 24 LED LCD Monitor - 16:9 - 2 ms Description: Asus VS248H-P 24 LED LCD Monitor - 16:9 - 2 ms used , Grade A Description (ebay): LED Backlight. D-Sub, DVI, HDMI. Screen Size. 16.7 Million. Analog Signal Frequency: 50 - 76 HzDigital Signal Frequency: 50 - 76 Hz. Analog Signal Frequency: ... Aspectratio: 16:9 Manufacturer: Asus Publisher: Asus Partnumber: VS248HP Productgroup: PC Accessory Attributestudio: Asus Mpn: VS248HP Model: ManufactureInfo Label: Asus Brand: ASUS Binding: Personal Computers Studio: Asus screen size : 24 inches brand name : Asus item weight : 1 pounds asin : B00NK5GCRM date first available : January 8, 2014 Only show this one $ 194.985 $ -,- (new) Price updated 4 days ago - #CommissionEarned	The most sold Dell SE2717Hr 27" IPS LED Full HD Computer Monitor Description: Stylish 27-inch monitor provides excellent viewing for everyday computing. Excellent viewing experience Love what you see and enjoy the view on this expansive monitor. View ... Description (ebay): Stylish 27-inch monitor provides excellent viewing for everyday computing. Excellent viewing experience Love what you see and enjoy the view on this expansive monitor. View ... Color: black Releasedate: 2017-03-19T00:00:01Z Aspectratio: 16:9 Manufacturer: Dell Marketing USA, LP Publisher: Dell Marketing USA, LP Partnumber: SE2717Hr Productgroup: Personal Computer Attributestudio: Dell Marketing USA, LP Warranty: 1 Year Advanced Exchange Service & 1 Year Limited Hardware Warranty Mpn: SE2717Hr Model: ManufactureInfo Label: Dell Marketing USA, LP Brand: Dell Binding: Personal Computers Studio: Dell Marketing USA, LP Only show this one $ 444 $ 249.00 (new) Price updated 2 hours ago - #CommissionEarned Dell SE2717Hr 27" IPS LED Full HD Computer Monitor Description: Stylish 27-inch monitor provides excellent viewing for everyday computing. Excellent viewing experience Love what you see and enjoy the view on this expansive monitor. View ... Description (ebay): Stylish 27-inch monitor provides excellent viewing for everyday computing. Excellent viewing experience Love what you see and enjoy the view on this expansive monitor. View ... Color: black Releasedate: 2017-03-19T00:00:01Z Aspectratio: 16:9 Manufacturer: Dell Marketing USA, LP Publisher: Dell Marketing USA, LP Partnumber: SE2717Hr Productgroup: Personal Computer Attributestudio: Dell Marketing USA, LP Warranty: 1 Year Advanced Exchange Service & 1 Year Limited Hardware Warranty Mpn: SE2717Hr Model: ManufactureInfo Label: Dell Marketing USA, LP Brand: Dell Binding: Personal Computers Studio: Dell Marketing USA, LP Only show this one $ 444 $ 249.00 (new) Price updated 2 hours ago - #CommissionEarned	MSI GL72M 7RDX-800 17.3" Intel Core i7 7th Gen 7700HQ Description: MSI Description (ebay): MSI - GL72M 7RDX-800 - Gaming Laptop. MSI GL72M Gaming Laptop. MSI GL72M 7RDX-800. 7700HQ (2.80 GHz). GL72M 7RDX-800. 1TB Hard Disk Drive + 128GB ... Features: Display: 17.3" Full HD eDP Non Reflection 1920x1080 \| Operating System: Windows 10Processor: Intel Core i7-7700HQ (2.8-3.8GHz)Graphics Card: NVIDIA's GTX 1050 2G GDDR5RAM: 8GB DDR4 ... Color: Black Operatingsystem: Windows 10 Home Size: 17.3" Hardwareplatform: PC Aspectratio: 16:9 Manufacturer: MSI COMPUTER Publisher: MSI COMPUTER Partnumber: GL72M 7RDX-800 Productgroup: Personal Computer Attributestudio: MSI COMPUTER Warranty: 1 year global warranty Mpn: GL72M 7RDX-800 Model: ManufactureInfo Label: MSI COMPUTER Brand: MSI Binding: Personal Computers Studio: MSI COMPUTER screen size : 17.3 inches screen resolution : 1920x1080 max screen resolution : 1920x1080 pixels processor : 3.8 GHz Intel Core i7 ram : 8 GB DDR4 memory speed : 2400 MHz hard drive : 1000 GB Hybrid Drive graphics coprocessor : GTX 1050 chipset brand : NVIDIA card description : Dedicated graphics card ram size : 2 GB wireless type : 802.11.ac number of usb 2.0 ports : 1 number of usb 3.0 ports : 3 brand name : MSI series : GL72MX800 item model number : GL72M 7RDX-800 hardware platform : PC operating system : Windows 10 Home item weight : 5.95 pounds product dimensions : 10.6 x 16.4 x 1.2 inches item dimensions l x w x h : 10.6 x 16.45 x 1.16 inches color : Black processor brand : Intel processor count : 1 flash memory size : 128.0 hard drive interface : Serial ATA hard drive rotational speed : 5400 RPM optical drive type : None batteries : 1 Lithium ion batteries required. (included) asin : B072MTXBLM shipping weight : 10.75 pounds domestic shipping : Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support ... date first available : June 7, 2017 style : ... display type : ... processor : ... graphics : ... storage : ... cooling : ... steelseries keyboard : ... ultra setting: overwatch \| gow 4 \| battlefield 1 \| for honor (results vary) : ... 3d mark score. note: based on msi gaming mode (results vary) : ... msi special features : ... Price: ... Ram size: 8 GB Processor (cpu) manufacturer: Intel Processor speed: 3.8 GHz Display resolution maximum: 1920x1080 pixels Screen size: 17.3 in Display technology: LCD Hard-drive size: 1,000 GB Operating system: Windows 10 Home Processor count: 1 Wireless compatibility: 802.11.ac Only show this one $ 1199.985 $ 1,499.77 (new) Price updated 40 minutes ago - #CommissionEarned MSI GL72M 7RDX-800 17.3" Intel Core i7 7th Gen 7700HQ Description: MSI Description (ebay): MSI - GL72M 7RDX-800 - Gaming Laptop. MSI GL72M Gaming Laptop. MSI GL72M 7RDX-800. 7700HQ (2.80 GHz). GL72M 7RDX-800. 1TB Hard Disk Drive + 128GB ... Features: Display: 17.3" Full HD eDP Non Reflection 1920x1080 \| Operating System: Windows 10Processor: Intel Core i7-7700HQ (2.8-3.8GHz)Graphics Card: NVIDIA's GTX 1050 2G GDDR5RAM: 8GB DDR4 ... Color: Black Operatingsystem: Windows 10 Home Size: 17.3" Hardwareplatform: PC Aspectratio: 16:9 Manufacturer: MSI COMPUTER Publisher: MSI COMPUTER Partnumber: GL72M 7RDX-800 Productgroup: Personal Computer Attributestudio: MSI COMPUTER Warranty: 1 year global warranty Mpn: GL72M 7RDX-800 Model: ManufactureInfo Label: MSI COMPUTER Brand: MSI Binding: Personal Computers Studio: MSI COMPUTER screen size : 17.3 inches screen resolution : 1920x1080 max screen resolution : 1920x1080 pixels processor : 3.8 GHz Intel Core i7 ram : 8 GB DDR4 memory speed : 2400 MHz hard drive : 1000 GB Hybrid Drive graphics coprocessor : GTX 1050 chipset brand : NVIDIA card description : Dedicated graphics card ram size : 2 GB wireless type : 802.11.ac number of usb 2.0 ports : 1 number of usb 3.0 ports : 3 brand name : MSI series : GL72MX800 item model number : GL72M 7RDX-800 hardware platform : PC operating system : Windows 10 Home item weight : 5.95 pounds product dimensions : 10.6 x 16.4 x 1.2 inches item dimensions l x w x h : 10.6 x 16.45 x 1.16 inches color : Black processor brand : Intel processor count : 1 flash memory size : 128.0 hard drive interface : Serial ATA hard drive rotational speed : 5400 RPM optical drive type : None batteries : 1 Lithium ion batteries required. (included) asin : B072MTXBLM shipping weight : 10.75 pounds domestic shipping : Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support ... date first available : June 7, 2017 style : ... display type : ... processor : ... graphics : ... storage : ... cooling : ... steelseries keyboard : ... ultra setting: overwatch \| gow 4 \| battlefield 1 \| for honor (results vary) : ... 3d mark score. note: based on msi gaming mode (results vary) : ... msi special features : ... Price: ... Ram size: 8 GB Processor (cpu) manufacturer: Intel Processor speed: 3.8 GHz Display resolution maximum: 1920x1080 pixels Screen size: 17.3 in Display technology: LCD Hard-drive size: 1,000 GB Operating system: Windows 10 Home Processor count: 1 Wireless compatibility: 802.11.ac Only show this one $ 1199.985 $ 1,499.77 (new) Price updated 40 minutes ago - #CommissionEarned	HP Envy 17.3-Inch Full HD IPS Touchscreen Laptop Ratings: (40) (40) Description: This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. ... Color: Natural Silver Operatingsystem: Windows 10 Size: MX150 4GB Hardwareplatform: PC Manufacturer: hp Publisher: hp Partnumber: 2TY32UAR#ABA Productgroup: Personal Computer Attributestudio: hp Warranty: 90 days limited warranty Mpn: 2TY32UAR#ABA Model: ManufactureInfo Label: hp Brand: HP Binding: Personal Computers Studio: hp Screen size: 17.3 inches Screen resolution: 1920x1080 Max screen resolution: 1920 x 1080 Processor: 1.8 GHz Intel Core i7 Ram: 16 GB Hard drive: 1 TB HDD 7200 rpm Graphics coprocessor: Intel UHD Graphics 620 Chipset brand: nvidia Card description: Dedicated Wireless type: 801.11 AC, Bluetooth Average battery life (in hours): 7 hours Brand name: HP Series: HP Envy Item model number: HP Envy 17M Notebook PC Hardware platform: PC Operating system: Windows 10 Item dimensions l x w x h: 4.5 x 22.7 x 13.7 inches Processor brand: Intel Processor count: 4 Computer memory type: DDR4 SDRAM Hard drive interface: Serial ATA Hard drive rotational speed: 7200 RPM Power source: AC & Battery Batteries: 1 Lithium ion batteries required. Date first available: April 17, 2018 Shipping: FREE Shipping Ram size: 16 GB Processor (cpu) manufacturer: Intel Processor speed: 1.8 GHz Display resolution maximum: 1920 x 1080 Display technology: LED Hard-drive size: 1 TB Ram type: DDR4 SDRAM Wireless compatibility: 801.11 AC, Bluetooth Only show this one $ -,- (new) Price updated 21 hours ago - #CommissionEarned HP Envy 17.3-Inch Full HD IPS Touchscreen Laptop Ratings: (40) (40) Description: This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. ... Color: Natural Silver Operatingsystem: Windows 10 Size: MX150 4GB Hardwareplatform: PC Manufacturer: hp Publisher: hp Partnumber: 2TY32UAR#ABA Productgroup: Personal Computer Attributestudio: hp Warranty: 90 days limited warranty Mpn: 2TY32UAR#ABA Model: ManufactureInfo Label: hp Brand: HP Binding: Personal Computers Studio: hp Screen size: 17.3 inches Screen resolution: 1920x1080 Max screen resolution: 1920 x 1080 Processor: 1.8 GHz Intel Core i7 Ram: 16 GB Hard drive: 1 TB HDD 7200 rpm Graphics coprocessor: Intel UHD Graphics 620 Chipset brand: nvidia Card description: Dedicated Wireless type: 801.11 AC, Bluetooth Average battery life (in hours): 7 hours Brand name: HP Series: HP Envy Item model number: HP Envy 17M Notebook PC Hardware platform: PC Operating system: Windows 10 Item dimensions l x w x h: 4.5 x 22.7 x 13.7 inches Processor brand: Intel Processor count: 4 Computer memory type: DDR4 SDRAM Hard drive interface: Serial ATA Hard drive rotational speed: 7200 RPM Power source: AC & Battery Batteries: 1 Lithium ion batteries required. Date first available: April 17, 2018 Shipping: FREE Shipping Ram size: 16 GB Processor (cpu) manufacturer: Intel Processor speed: 1.8 GHz Display resolution maximum: 1920 x 1080 Display technology: LED Hard-drive size: 1 TB Ram type: DDR4 SDRAM Wireless compatibility: 801.11 AC, Bluetooth Only show this one $ -,- (new) Price updated 21 hours ago - #CommissionEarned

	Remove Only show this one	Remove Only show this one	Remove Only show this one	Remove Only show this one
Description	LED Backlight. D-Sub, DVI, HDMI. Screen Size. 16.7 Million. Analog Signal Frequency: 50 - 76 HzDigital Signal Frequency: 50 - 76 Hz. Analog Signal Frequency: 30 - 83 KHzDigital Signal Frequency: 30 - 83 KHz. Asus VS248H-P 24 LED LCD Monitor - 16:9 - 2 ms used , Grade A	Stylish 27-inch monitor provides excellent viewing for everyday computing. Excellent viewing experience Love what you see and enjoy the view on this expansive monitor. View images, videos and everyday files clearly on this large 27-inch screen thanks to Full HD resolution.</br>PROP 65 WARNING: This product can expose you to some kind of chemical, which is known to the State of California to cause cancer. Stylish 27-inch monitor provides excellent viewing for everyday computing. Excellent viewing experience Love what you see and enjoy the view on this expansive monitor. View images, videos and everyday files clearly on this large 27-inch screen thanks to Full HD resolution.	MSI - GL72M 7RDX-800 - Gaming Laptop. MSI GL72M Gaming Laptop. MSI GL72M 7RDX-800. 7700HQ (2.80 GHz). GL72M 7RDX-800. 1TB Hard Disk Drive + 128GB Super Fast Solid State. MSI pioneers only the extraordinary gaming machines for your gaming pleasure. MSI	This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com HP Envy 17M Laptop Technical Specifications: Display: 17.3" EDGE-TO-EDGE GLASS TOUCHSCREEN FHD (1920x1080) IPS Display Processor: Intel Quad-Core i7-8550U 1.80 GHz (Turbo 4.00 GHz, 4 Cores 8 Threads, 8MB SmartCache) Storage Drive: 1TB HDD 7200 RPM Memory RAM: 16 GB DDR4 SDRAM Graphics: Dedicated NVIDIA GeForce MX150 2048MB vRAM GDDR5 Integrated Intel UHD Graphics 620 Operating System: Windows 10 Home 64-bit Keyboard: Backlit Keyboard Network: Intel Wireless-AC WiFi and Bluetooth Combo Webcam: HD webcam Optical Drive: SuperMulti DVD+RW Multi-format Digital Media Reader: Yes Battery: 3-cell, 55.8 WHr Ports: 3 x USB 3.1 Gen 1 Type-A 1 x USB 3.1 Gen 1 Type-C 1 x HDMI 1 x Multi-format Media Card Reader 1 x Ethernet Port (RJ-45) 1 x Headphone/Microphone Combo Jack 1 x DVD+RW Dimensions (WxHxD): 16.4" x 0.9" x 11.1" Weight: 6.75 lb
Categories	Monitors	Monitors	Traditional Laptops	Traditional Laptops

Reviews and rank

Sales rank (amazon)	#80176	#5663	#18826	#34952
Ratings				(40) Full reviews
Video reviews (Youtube.com)	View all the video reviews	View all the video reviews	View all the video reviews	View all the video reviews

Size and weight

Dimensions (LxWxH)	-	0.24'' x 0.07'' x 0.18'' 0.6 cm x 0.2 cm x 0.5 cm	0.11'' x 0.16'' x 0.01'' 0.3 cm x 0.4 cm x 0 cm	0.05'' x 0.23'' x 0.14'' 0.1 cm x 0.6 cm x 0.3 cm
Weight	0.01 lb (0.005 kg)	0.128 lb (0.058 kg)	0.06 lb (0.027 kg)	0.068 lb (0.031 kg)
Package size (LxWxH)	25.5'' x 21.9'' x 5.5'' 64.8 cm x 55.6 cm x 14 cm 12.45 lb (5.647 kg)	28.25'' x 17.4'' x 5.6'' 71.8 cm x 44.2 cm x 14.2 cm 17.1 lb (7.756 kg)	21.5'' x 15.24'' x 4.02'' 54.6 cm x 38.7 cm x 10.2 cm 10.75 lb (4.876 kg)	22'' x 13'' x 3'' 55.9 cm x 33 cm x 7.6 cm 8.9 lb (4.037 kg)

Specifications

Features	-	-	- Special features: Cooler Boost 4 \| Steel Series Keyboard \| Nahimic Audio Enhancer\| Steel Series Single Color Red Backlight - Audio Boost enhancing the headset sound detail and sound stage - RAM: 8GB DDR4 2400MHz \| Hard Drive: 128GB SSD M.2 SATA + 1TB (SATA) 5400rpm - Display: 17.3" Full HD eDP Non Reflection 1920x1080 \| Operating System: Windows 10 - Processor: Intel Core i7-7700HQ (2.8-3.8GHz) - Graphics Card: NVIDIA's GTX 1050 2G GDDR5	-
Model info	ASIN (Amazon): B00NK5GCRM EAN: 0610839367924 UPC: 610839367924	ASIN (Amazon): B06XQNX2W7 EAN: 0884116271321 UPC: 884116269762	ASIN (Amazon): B072MTXBLM EAN: 0824142147962 UPC: 824142147962	ASIN (Amazon): B07C76HH1N EAN: 0603784344157 UPC: 603784344157

View all the Specs

AspectRatio	16:9	16:9	16:9
Manufacturer	Asus	Dell Marketing USA, LP	MSI COMPUTER	hp
Publisher	Asus	Dell Marketing USA, LP	MSI COMPUTER	hp
PartNumber	VS248HP	SE2717Hr	GL72M 7RDX-800	2TY32UAR#ABA
ProductGroup	PC Accessory	Personal Computer	Personal Computer	Personal Computer
AttributeStudio	Asus	Dell Marketing USA, LP	MSI COMPUTER	hp
MPN	VS248HP	SE2717Hr	GL72M 7RDX-800	2TY32UAR#ABA
Model	ManufactureInfo	ManufactureInfo	ManufactureInfo	ManufactureInfo
Label	Asus	Dell Marketing USA, LP	MSI COMPUTER	hp
Brand	ASUS	Dell	MSI	HP
Binding	Personal Computers	Personal Computers	Personal Computers	Personal Computers
Studio	Asus	Dell Marketing USA, LP	MSI COMPUTER	hp
Screen Size	24 inches		17.3 inches
Brand Name	Asus		MSI
Item Weight	1 pounds		5.95 pounds
ASIN	B00NK5GCRM		B072MTXBLM
Date First Available	January 8, 2014		June 7, 2017
Color		black	Black	Natural Silver
ReleaseDate		2017-03-19T00:00:01Z
Warranty		1 Year Advanced Exchange Service & 1 Year Limited Hardware Warranty	1 year global warranty	90 days limited warranty
OperatingSystem			Windows 10 Home	Windows 10
Size			17.3"	MX150 4GB
HardwarePlatform			PC	PC
Screen Resolution			1920x1080
Max Screen Resolution			1920x1080 pixels
Processor			3.8 GHz Intel Core i7
RAM			8 GB DDR4
Memory Speed			2400 MHz
Hard Drive			1000 GB Hybrid Drive
Graphics Coprocessor			GTX 1050
Chipset Brand			NVIDIA
Card Description			Dedicated
Graphics Card Ram Size			2 GB
Wireless Type			802.11.ac
Number of USB 2.0 Ports			1
Number of USB 3.0 Ports			3
Series			GL72MX800
Item model number			GL72M 7RDX-800
Hardware Platform			PC
Operating System			Windows 10 Home
Product Dimensions			10.6 x 16.4 x 1.2 inches
Item Dimensions L x W x H			10.6 x 16.45 x 1.16 inches
Color			Black
Processor Brand			Intel
Processor Count			1
Flash Memory Size			128.0
Hard Drive Interface			Serial ATA
Hard Drive Rotational Speed			5400 RPM
Optical Drive Type			None
Batteries			1 Lithium ion batteries required. (included)
Shipping Weight			10.75 pounds
Domestic Shipping			Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
Style			Performance Gaming
Display Type			NTSC
Processor			i7-7700HQ, i5-7300HQ
Graphics			GTX 1050Ti 4G -- GTX 1050 2G ----- GTX 960M ---------
Storage			M.2 SATA
Cooling			Cooler Boost 4 (2 Fans, 6-7 Heatpipes)
Steelseries Keyboard			None, Red Backlit
Ultra Setting: Overwatch \| GoW 4 \| Battlefield 1 \| For Honor (results vary)			39-73 fps
3D Mark Score. Note: based on MSI Gaming Mode (results vary)			P9300 (GTX1050Ti) P8000 (GTX1050)
MSI Special Features			Nahimic 2
Price			From $899.00
RAM Size			8 GB	16 GB
Processor (CPU) Manufacturer			Intel	Intel
Processor Speed			3.8 GHz	1.8 GHz
Display Resolution Maximum			1920x1080 pixels	1920 x 1080
Screen Size			17.3 in	17.3 inches
Display Technology			LCD	LED
Hard-Drive Size			1,000 GB	1 TB
Operating System			Windows 10 Home	Windows 10
Processor Count			1	4
Wireless Compatibility			802.11.ac	801.11 AC, Bluetooth
Screen Resolution				1920x1080
Max Screen Resolution				1920 x 1080
Processor				1.8 GHz Intel Core i7
RAM				16 GB
Hard Drive				1 TB HDD 7200 rpm
Graphics Coprocessor				Intel UHD Graphics 620
Chipset Brand				nvidia
Card Description				Dedicated
Wireless Type				801.11 AC, Bluetooth
Average Battery Life (in hours)				7 hours
Brand Name				HP
Series				HP Envy
Item model number				HP Envy 17M Notebook PC
Hardware Platform				PC
Item Dimensions L x W x H				4.5 x 22.7 x 13.7 inches
Processor Brand				Intel
Computer Memory Type				DDR4 SDRAM
Hard Drive Interface				Serial ATA
Hard Drive Rotational Speed				7200 RPM
Power Source				AC & Battery
Batteries				1 Lithium ion batteries required.
Date First Available				April 17, 2018
Shipping				FREE Shipping
RAM Type				DDR4 SDRAM