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Samsung PM9A1 256 GB M.2 2280 (Single-Sided) PCIe 4.0 x4 SSD - Specifications and Review
Samsung

Samsung PM9A1 256 GB Specifications

M.2 2280 (Single-Sided) PCIe 4.0 x4 SSD — 6,400 MB/s Read Performance

M.2 2280 (Single-Sided)PCIe 4.0 x4PS5 Ready
Read Speed

6,400 MB/s

Write Speed

2,700 MB/s

Samsung PM9A1 256 GB Full Specifications

Performance

Sequential Read
6,400 MB/s
Sequential Write
2,700 MB/s
Random Read (IOPS)
500,000 IOPS
Random Write (IOPS)
600,000 IOPS
Read Latency
45 µs
Write Latency
400 µs

Hardware

Form Factor
M.2 2280 (Single-Sided)
Interface
PCIe 4.0 x4
Protocol
NVMe 1.3
Controller
Samsung Elpis
NAND Flash
TLC
Technology
128-layer
DRAM Cache
DRAM (enabled)

Reliability

Warranty
5 Years
Endurance (TBW)
150 TBW
MTBF
1.5 Million Hours
DWPD
0.3
Power Loss ProtectionNo

Features

Encryption
AES-128 AES-256 TCG Opal
TRIM SupportYes
PS5 CompatibleYes

Power & More

Power Draw
Unknown
Process Node
19 nm
Released
Sep 22nd, 2020
Launch Price
90 USD