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Green rectangular M.2 2280 circuit board with black chips and gold edge connector

SK hynix

SK hynix PC711 512GB M.2 2280 PCIe 3.0 x4 internal SSD

SKU CH-V98D-655AZ

512 GB M.2 2280 internal SSD with PCIe 3.0 x4 NVMe, up to 3300 MB/s read and 2200 MB/s write, Pyrite encryption, no heatsink

  • Total capacity512 GB
  • Sequential read speedUp to 3,300 MB/s
  • Sequential write speedUp to 2,200 MB/s
  • Interface typePCI-Express 3.0 x4
  • Form factorM.2 2280
  • Data encryptionPyrite
  • Fast boot and load times with up to 3300 MB/s sequential read
  • Responsive file saves and installs with up to 2200 MB/s sequential write
  • Fits standard laptop and desktop slots with M.2 2280 form factor
  • Hardware-based data protection via Pyrite encryption support
  • Compact single-sided design without heatsink for tight builds

SK hynix PC711 512GB NVMe Drive

The SK hynix PC711 is a 512GB internal solid-state drive built for laptops and desktops with an M.2 2280 slot. It uses the NVMe protocol over a PCI-Express 3.0 x4 interface to deliver faster boot and load times than legacy storage. The drive includes Pyrite encryption for basic data protection.

PCIe 3.0 x4 Interface Limits

The PCI-Express 3.0 x4 link caps theoretical throughput at roughly 4 GBps, so real-world sequential speeds cannot exceed that ceiling. The PC711 reaches up to 3300 MBps read and 2200 MBps write, operating near the boundary of the bus. Thermal throttling may occur sooner because the drive ships without a heatsink.

512GB Capacity and Headroom

Five hundred twelve gigabytes holds an operating system, core applications and a moderate game or media library with room to spare. Heavy video editing suites or large game collections will fill the drive quickly, requiring offload to secondary storage. Sustained write workloads can push the controller into thermal limits once the SLC cache is exhausted.

How it compares

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

Price $79.99
Cheaper than about 79% of the 1,994 comparable items (median $180.49).
Total capacity 512 GB
Lower than about 60% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 3,300 MB/s
Higher than about 58% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $156.23 per TB
Cheaper than about 54% 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 linePC711
Model nameHFS512GDE9 × 084N
Part numberHFS512GDE9 × 084N
Total capacity512 GB
Performance
Sequential read speedUp to 3,300 MB/s
Sequential write speedUp to 2,200 MB/s
Storage
Data encryptionPyrite
Ports & slots
Interface typePCI-Express 3.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink

Questions about this item

Will this 2280-length drive fit in a laptop that only has a shorter M.2 slot?

No, the 2280 form factor is 80 mm long and requires a matching slot.

Does the drive include a heatsink, or will I need to add one for sustained loads?

It ships without a heatsink; the motherboard may provide one, but none is bundled.

My motherboard only supports PCIe 3.0 — will this SSD run at its rated 3300 MB/s read and 2200 MB/s write?

Yes, the interface is PCIe 3.0 x4, so the published speeds are achievable on a 3.0 platform.

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