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SK hynix

SK hynix Gold P31 2TB M.2 2280 internal SSD

SKU CH-659N-YTR79

PCIe 3.0 NVMe internal SSD with 2TB capacity, up to 3,500 MB/s read and 3,200 MB/s write speeds, 1,200 TBW endurance and AES 256-bit encryption

  • Total capacity2 TB
  • Sequential read speedUp to 3,500 MB/s
  • Sequential write speedUp to 3,200 MB/s
  • Interface typePCIe 3.0 NVMe
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)
  • Up to 3,500 MB/s sequential read for fast boot and load times
  • Up to 3,200 MB/s sequential write to move large files quickly
  • 570K random read IOPS and 600K random write IOPS for snappy multitasking
  • 1,200 TBW endurance rating backed by 1.5M hours MTBF for long-term reliability
  • AES 256-bit encryption with Pyrite 2.0 protects stored data

Capacity and interface

The SK hynix Gold P31 is a 2TB internal solid state drive built on an M.2 2280 form factor with a PCIe 3.0 NVME interface. It uses SK hynix 128L 3D TLC NAND flash and the Cepheus controller to deliver up to 3500 MB/s sequential read and 3200 MB/s sequential write speeds. AES 256-bit encryption and Pyrite 2.0 support protect stored data.

Sustained workload behaviour

The drive is rated for up to 1200 TBW and validated through 1000 hours of high-temperature operating life stress testing. Random performance reaches 570K IOPS read and 600K IOPS write with 90 µs read latency and 45 µs write latency. HYPERWRITE cache technology helps maintain throughput during extended write sessions.

Thermals noise and power

Pioneering thermal efficiency allows the Gold P31 to run extremely cool under normal use despite high sequential speeds. The single-sided 22 mm by 80 mm stick layout fits laptops and desktops without additional heatsinks. MTBF of 1.5 million hours reflects the stability achieved in validation.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $274.99
Pricier than about 65% of the 1,994 comparable items (median $180.49).
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 3,500 MB/s
Higher than about 60% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $137.50 per TB
Cheaper than about 64% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSK hynix
Product lineGold P31
Total capacity2 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 3,500 MB/s
Sequential write speedUp to 3,200 MB/s
Random read (4K)Up to 570K IOPS
Random write (4K)Up to 600K IOPS
Read latency90us
Write latency45us
Storage
NAND flash typeSK hynix 128L 3D TLC NAND Flash
Controller chipSK hynix Cepheus
Data encryptionAES 256-bit Encryption, Pyrite 2.0
Write enduranceUp to 1,200TBW
Ports & slots
Interface typePCIe 3.0 NVMe
Size & build
Form factorM.2 2280
Overall height22 mm
Overall width80 mm
In the box
Included itemsSSD
More details
Mean time between failures1.5M hours

Questions about this item

How hot does the Gold P31 get during all-day workloads and does it throttle?

The drive is engineered for pioneering thermal efficiency, allowing it to run extremely cool even under sustained loads without throttling.

What motherboard slot and keying does the 2TB Gold P31 require?

It needs an M.2 2280 slot with an M-key that supports PCIe 3.0 NVMe.

Will the Gold P31 work in a laptop that only has a PCIe 3.0 M.2 slot?

Yes, the PCIe 3.0 NVMe interface is fully backward compatible and the 22 mm by 80 mm form factor fits standard laptop M.2 slots.

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