The Legend 800 supports the latest PCIe Gen 4 x4 interface meeting the NVMe 1.4 standard, delivering sequential read and write speeds of 3,500 and 2,800MB/s — up to 2 times faster than a standard PCIe Gen 3 SSD and 6 times faster than a SATA SSD. Notably, the 3,500/2,800MB/s figures are consistent across the 500GB, 1TB, and 2TB models — the write speed doesn’t drop significantly at lower capacities, which is not always the case with budget Gen 4 drives. For a 512GB OS and applications drive, that’s a genuinely strong specification without caveats.

SM2267XT Controller — Capable DRAM-less Design

The Legend 800 uses a Silicon Motion SM2267XT-class controller — a mainstream chip featuring four NAND flash channels at up to 1,200MT/s per channel, designed for HMB and DRAM-less operation. This controller handles 3D TLC NAND efficiently and supports Host Memory Buffer, which allocates a portion of system RAM to improve mapping table performance on Windows 10 and later. Random performance at minimal queue depth is particularly good compared to other entry-level M.2 SSDs at this price point, making the Legend 800 feel snappier in everyday use than its position in the market might suggest.

3D TLC NAND, SLC Cache, and LDPC ECC

The Legend 800 uses 3D TLC NAND with SLC caching and LDPC (Low-Density Parity Check Code) error correction to ensure data accuracy and file security. TLC stores three bits per cell — a better endurance proposition than QLC drives at this price tier. SLC caching handles burst write workloads by temporarily absorbing incoming data in faster single-level cell mode before folding it to TLC. AES 256-bit encryption is also supported, offering hardware-level data security at no performance cost.

Detachable Heatsink — Flexible Installation

The Legend 800’s heatsink uses a black design with bronzing trimming and sandblasted surfaces that dissipates heat incredibly effectively, reducing operating temperature during sustained workloads. Importantly, the heatsink is detachable — which matters if you’re installing into a laptop or a system with an integrated M.2 thermal pad, where a pre-attached heatsink can cause clearance issues. Use it where it fits, remove it where it doesn’t.

PS5 Compatible — No Additional Heatsink Purchase Needed

The Legend 800 is PCIe Gen 4 and fits the PS5’s M.2 2280 expansion slot. With the heatsink included and detachable, it satisfies Sony’s heatsink recommendation for PS5 M.2 installations without requiring a separate purchase — a practical advantage over bare drives at this price point.

SSD Toolbox and S.M.A.R.T. Monitoring

ADATA SSD Toolbox allows monitoring of drive health and remaining lifespan through S.M.A.R.T. attributes, current operating temperature, total space used, and firmware updates. A free download that keeps visibility on a drive carrying your OS and primary data over its 3-year warranty life.

PCIe Gen 4 slot recommended — the Legend 800 delivers full 3,500MB/s read performance on a Gen 4 M.2 slot. It is fully backwards compatible with PCIe Gen 3, where it will operate at approximately half the rated sequential speeds — still substantially faster than SATA.

Heatsink flexibility — the detachable heatsink adds height to the drive. Remove it for laptop installation or where a motherboard M.2 thermal pad is already fitted. Attach it for desktop or PS5 installations.

DRAM-less design — the Legend 800 uses HMB rather than on-drive DRAM. Full HMB benefit is active on Windows 10 and later with compatible NVMe drivers.

Key Highlights

• Capacity: 512GB
• Form Factor: M.2 2280
• Interface: PCIe Gen 4 x4 / NVMe 1.4 (backwards compatible with Gen 3)
• Sequential Read/Write: Up to 3,500 / 2,800 MB/s
• NAND: 3D TLC NAND
• Controller: Silicon Motion SM2267XT-class (DRAM-less)
• DRAM Cache: None (HMB + SLC caching used)
• Error Correction: LDPC ECC
• Encryption: AES-256-bit hardware
• Heatsink: Detachable (included)
• Features: SLC Cache, HMB, LDPC ECC, AES-256, SMART, TRIM, Garbage Collection
• PS5 Compatible: Yes
• Shock Resistance: 1,500G / 0.5ms
• Operating Temp: 0°C – 70°C
• Storage Temp: -40°C – 85°C
• MTBF: 2,000,000 hours
• TBW: 210TB
• Dimensions (with heatsink): 80 × 22 × 6.1mm
• Software: ADATA SSD Toolbox (download)
• Warranty: 3-year limited

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