PM851
256GB M.2
Storage Comparison
Capacity 256GB |
Sequential Read 540MB/s |
Sequential Write 365MB/s |
Form Factor M.2 |
Interface SATA |
Protocol AHCI |
Controller MEX |
NAND TLC |
PM851540MB/sCapacity 256GB |
Sequential Read 540MB/s |
Sequential Write 365MB/s |
Rand Read IOPS 100K IOPS |
Rand Write IOPS 100K IOPS |
SLC Cache 3GB |
Form Factor M.2 |
M.2 Size 2280 |
M.2 Key B |
M.2 Type S2 |
Interface SATA III |
Protocol AHCI |
Designer Samsung |
Model MEX |
Part Number S4LN045X01 |
Foundry Samsung |
Process Node 32nm |
Cores 3 |
Clock 400MHz |
DRAM Size 512MB |
DRAM Type LPDDR2 |
DRAM Bus Width 32-bit |
Speed 1066MT/s |
Manufacturer Samsung |
Codename Toggle 2.0 |
Process Node 19nm |
Type TLC |
Die Size 130mm² |
Die Capacity 128Gbit |
Die Bit Density 0.98Gbit/mm² |
NAND Chip Count 2 |
NAND Die Count 16 |
NAND Dies/Chip 8 |
SLC Cache 3GB |
AES-128 Yes |
AES-256 Yes |
TCG Opal 2.0 No |
IEEE 1667 No |
Power Loss Protection No |
MTBF 1.5M hours |
Burst Power 1.9W |
Idle Power 50mW |
Sleep Power 2mW |
Height 22mm (0.87")Width 80mm (3.15")Depth 2.4mm (0.09") |
Weight 8.5g |
Manufacturer Samsung |
Model PM851 |
Description 256GB M.2 |
Release Date Apr 1, 2014 |