840
250GB 2.5"
Storage Comparison
Capacity 250GB |
Sequential Read 540MB/s |
Sequential Write 250MB/s |
Form Factor 2.5" |
Interface SATA |
Protocol AHCI |
Controller MDX |
NAND TLC |
Price $200 |
840540MB/sCapacity 250GB |
Sequential Read 540MB/s |
Sequential Write 250MB/s |
Rand Read IOPS 96K IOPS |
Rand Write IOPS 62K IOPS |
Form Factor 2.5" |
Interface SATA III |
Protocol AHCI |
Designer Samsung |
Model MDX |
Part Number S4LN021X01 |
Foundry Samsung |
Process Node 32nm |
Cores 3 |
Clock 300MHz |
DRAM Size 512MB |
DRAM Type LPDDR2 |
DRAM Bus Width 32-bit |
Speed 1066MT/s |
Manufacturer Samsung |
Codename Toggle 2.0 |
Process Node 21nm |
Type TLC |
Die Size 128mm² |
Die Capacity 64Gbit |
Die Bit Density 0.5Gbit/mm² |
NAND Chip Count 8 |
NAND Die Count 32 |
NAND Dies/Chip 4 |
AES-128 Yes |
AES-256 Yes |
TCG Opal 2.0 No |
IEEE 1667 No |
Power Loss Protection No |
Write Endurance 275TBW |
MTBF 1.5M hours |
Height 100mm (3.94")Width 69.9mm (2.75")Depth 6.8mm (0.27") |
Weight 57g |
Manufacturer Samsung |
Model 840 |
Description 250GB 2.5" |
Release Date Oct 8, 2012 |
Price $200 |
Warranty 3 years |