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Green M.2 circuit board with silver sticker and black controller chip

ADATA

ADATA SLEG-860-2000GCS 2TB PCIe Gen4 x4 M.2 2280 internal SSD

SKU CH-FT2H-J1TP9 MPN SLEG-860-2000GCS

2TB PCIe Gen4 x4 M.2 2280 internal SSD with up to 6,000/5,000 MB/s sequential speeds, NVMe 2.0 support, HMB and SLC caching, and PS5 compatibility

  • Capacity2TB
  • InterfacePCIe Gen4 x4 M.2 2280
  • CacheNo DRAM (HMB)
  • PCIe Gen4 x4 interface delivers up to 6,000 MB/s read speed
  • Sequential write reaches 5,000 MB/s for fast project saves
  • NVMe 2.0 compliance ensures broad platform support
  • Host Memory Buffer uses system RAM to sustain performance
  • PS5 compatible with up to 5,000 MB/s read speed

2TB PCIe Gen4 x4 M.2 2280 SSD

The ADATA Legend 860 provides 2TB of storage over a PCIe Gen4 x4 interface in the M.2 2280 form factor. It targets creators and gamers who want faster load times and responsive file access. The drive uses Host Memory Buffer technology instead of a dedicated DRAM cache.

NVMe 1.4 and 2.0 compliance with PS5 limits

The controller complies with NVMe 1.4 and 2.0 specifications for command-set consistency. Sequential reads reach 6,000 MB/s and writes reach 5,000 MB/s on a desktop platform. In a PlayStation 5 the read ceiling is 5,000 MB/s due to the console's thermal and firmware constraints.

Thin single-sided board with HMB and LDPC ECC

A single-sided PCB keeps the module low-profile for tight laptop bays or motherboard shields. Host Memory Buffer borrows a portion of system RAM to maintain mapping tables without on-board DRAM. Hardware LDPC error correction protects data integrity during heavy sustained workloads.

Highlights

  • PCIe Gen4 x4 interface delivers up to 6,000 MB/s read speed
  • Sequential write reaches 5,000 MB/s for fast project saves
  • NVMe 2.0 compliance ensures broad platform support
  • Host Memory Buffer uses system RAM to sustain performance
  • PS5 compatible with up to 5,000 MB/s read speed

Specifications

BrandADATA
ModelSLEG-860-2000GCS
Part NumberSLEG-860-2000GCS
Capacity2TB
InterfacePCIe Gen4 x4 M.2 2280
CacheNo DRAM (HMB)
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

Is the 2TB capacity the only option for the Legend 860 series?

This specific model is the 2TB variant; other capacities in the same series may exist but are separate SKUs.

What real-world sequential speed can I expect from the 6000/5000 MB/s rating once installed?

The 6000 MB/s read and 5000 MB/s write are peak sequential figures over PCIe Gen4 x4; sustained speeds depend on workload, thermal limits and host controller.

Does the PCIe Gen4 x4 M.2 2280 interface limit performance on a Gen3 motherboard?

Yes, the drive will run at PCIe Gen3 x4 speeds on a Gen3 slot, capping sequential throughput to roughly half the rated 6000/5000 MB/s.

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