Samsung 840 EVO 256GB & 500GB mSATA SSD Review

👤by Richard Weatherstone Comments 📅14-02-14
Specification

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
Performance**
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
4KB Random Read(QD32):
Max. 98,000 IOPS (500GB/750GB/1TB)
Max. 97,000 IOPS (250GB)
Max. 94,000 IOPS (120GB)
4KB Random Write(QD32):
Max. 90,000 IOPS (500GB/750GB/1TB)
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:
Non-Operating:
0°C to 70°C
-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


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