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Adata Legend 840 512GB M.2 NVMe Gen4 Internal Ssd (ALEG-840-512GCS)

Model No : ALEG-840-512GCS


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Adata Legend 840 512GB M.2 NVMe Gen4 Internal Ssd (ALEG-840-512GCS)


LEGEND 840 PCIe Gen4 x4 M.2 2280 Solid State Drive

  • PCIe Gen4 x4 interface
  • Excellent read/write performance
  • Heat sink keeps things 15% cooler
  • Great upgrade option for creators
  • High capacities
  • NVMe 1.4 support
  • LDPC & AES 256-bit encryption
  • 5-year warranty

A New Era of Creativity

The LEGEND 840 uses PCIe Gen4 x4 and NVMe 1.4 to give you stunning performance for seamless creative output. It works with the latest Intel and AMD platforms, including desktop PCs and laptops.

Get Inspired Faster

With read/write speeds of up to 5,000/4,500 MB per second, the LEGEND 840 is three times as fast as mainstream PCIe Gen3 SSDs and 15 times faster than SATA SSDs. It’s also backward compatible with current generation PCIe 3.0 platforms for creativity without limitations.

Don’t Just Create. Play a Little too.

The LEGEND 840 can also be installed on a PS5 as a secondary drive, giving you more storage space and smoothing game loading.

*This product has been tested and confirmed to be compatible with PS5. Actual speed may vary depending on hardware and software configurations

Cool Creations

The LEGEND 840’s understated but elegant heat sink design is characterized by an elegant dark gray color scheme with an exquisite gold-colored trimming. The heat sink works to keep temperatures down by 15% for optimal performance and stability.

Seamless Productivity

Creativity can’t wait! The LEGEND 840 is equipped with SLC caching and HMB technology (Host Memory Buffer) for uninterrupted productivity. It’s maximum 4K random read/write is up to 650K/600K IOPS for effortless multitasking.

Protecting Your Creations

With LDPC (Low Density Parity Check Code) and AES 256-bit encryption, the LEGEND 840 ensures accurate data transmissions and security.

5-Year Warranty

LEGEND series SSDs use only high quality ICs that have been rigorously tested. For further peace of mind, they come backed by a 5-year warranty.


Capacity 512GB
Form factor M.2 2280
Controller Innogrit IG5220
Dimensions (L x W x H)
  • 80 x 22 x 3.13mm / 3.15 x 0.87 x 0.13inch (with heat sink)
  • 80 x 22 x 2.15mm / 3.15 x 0.87 x 0.09inch (without heat sink)
  • 9g / 0.36oz (with heat sink)
  • 6g / 0.24oz (without heat sink)
Interface PCIe Gen4 x4
Sequential Read (Max)
  • Up to 5,000MB/s (PC/Laptop)*,
  • Up to 5,000MB/s (PS5)
Sequential Write (Max) Up to 3,000MB/s*
4K Random Read IOPS(Max) Up to 520K*
4K Random Write IOPS(Max) Up to 450K*
Operating temperature 0°C – 70°C
Storage temperature -40°C – 85°C
Shock resistance 1500G/0.5ms
MTBF 2,000,000 hours
Terabytes Written (TBW) 325TB**
Note * This product is compatible with the latest Intel and AMD platforms and must be used with a motherboard that supports PCIe 4.0 to achieve optimal performance. Actual performance may vary depending on the hardware and software configurations.
* This product is backward compatible with PCIe 3.0. If a third-generation PCIe motherboard is used, this product will be able to achieve sequential read/write speeds of 3400/3000MB per second.
* Test system configuration : M/B: MSI X570 GAMING PLUS, CPU: AMD Ryzen 7 3700X 8-Core Processor @ 3.60GHZ
** The value is the minimum amount of terabyte written that could be reached.
*** The SSD is based on the TBW or Warranty period.
Warranty 5 Years
Note *** Features, Price, Specifications are subject to change without notice.

Additional information




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