Samsung Technical Specifications and Performance of SSD Models

Technical Specifications

		Samsung SSD 840 EVO
	Usage Application	Client PCs*
	Capacity	120GB, 250GB, 500GB,750GB,1TB
	Dimensions (LxWxH)	100 x 69.85 x 6.8 (mm)
	Interface	SATA 6Gb/s (compatible with SATA 3Gb/s and SATA 1.5Gb/s)
	Form Factor	2.5-inch
	Controller	Samsung 3-core MEX Controller
	NAND Flash Memory	1x nm Samsung Toggle DDR 2.0 NAND Flash Memory (400Mbps)
DRAM Cache Memory		256MB (120GB) or 512MB(250GB&500GB) or 1GB (750&1TB) LPDDR2
		Sequential Read:	Max. 540 MB/s
		Sequential Write***:	Max. 520 MB/s (250GB/500GB/750GB/1TB)
			Max. 410 MB/s (120GB)
		4KB Random Read (QD1):	Max. 10,000 IOPS
		4KB Random Write(QD1):	Max. 33,000 IOPS
	Performance**
			Max. 98,000 IOPS (500GB/750GB/1TB)
		4KB Random Read(QD32):	Max. 97,000 IOPS (250GB)
			Max. 94,000 IOPS (120GB)
			Max. 90,000 IOPS (500GB/750GB/1TB)
		4KB Random Write(QD32):	Max. 66,000 IOPS (250GB)
			Max. 35,000 IOPS (120GB)
	TRIM Support	Yes (Requires OS Support)
	Garbage Collection	Yes
	S.M.A.R.T	Yes
	Security	AES 256-bit Full Disk Encryption (FDE)
	Weight	Max. 53g (1TB)
	Reliability	MTBF: 1.5 million hours
	Power Consumption	Average : 0.1W **** (Typical)
		Idle : 0.045W (Typical, DIPM ON)
	Temperature	Operating:	0°C to 70°C
		Non-Operating:	-55°C to 95°C
	Humidity	5% to 95%, non-condensing
	Vibration	Non-Operating:	20~2000Hz, 20G
	Shock	Non-Operating:	1500G , duration 0.5m sec, 3 axis
	Etc.	Worldwide Name (WWN), LED Indicator support
	Warranty	3 years limited

System Configuration : Intel Core i7-3770 @ 3.4GHz, 4GB DDR3 SDRAM (2GBx2) 1333Mbps; Asus motherboard with Intel 7 Series Z77 Chipset; Windows 7 Ultimate x64 SP1; IRST 11.2, MS performance guide pre-condition.

*840 EVO is not validated for data center usage.

**Sequential performance measurements based on CrystalDiskMark v.3.0.1. Random performance measurements based on Iometer 2010. Performance may vary based on SSD’s firmware version, system hardware & configuration

***Sequential Write performance measurements reflect TurboWrite operation.

****Power consumption measured with MobileMark 2007 in Windows 7. Values calculated using laptop computer and represent system-level power consumption.

DATA SHEET	3
Rev. 1.1, August, 2013