Samsung m.2 nvme 256 gb – overview
form factor: m.2 2280 (22 mm × 80 mm)
interface: nvme pcie gen3 x4 (some newer models use gen4)
capacity: 256 gb
controller: samsung in-house controller (varies by model)
nand type: samsung v-nand (3d nand)
sequential read/write speeds:
read: ~2000–3500 mb/s depending on model
write: ~1000–3000 mb/s depending on model
random iops: up to ~300k reads / ~300k writes
form factor: m.2 2280 (fits most modern motherboards)
key features
high-speed performance
nvme over pcie interface gives much faster read/write than sata ssds.
ideal for os drive, boot drive, gaming, and apps.
durability & reliability
samsung m.2 nvme ssds are highly reliable with good endurance ratings.
tbw (terabytes written) ~150–200 tb for 256 gb models.
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