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Bestoss GM328 512GB M.2 2280 NVMe SSD, green circuit board with black controller and silver label

Bestoss

Bestoss GM328 512GB NVMe internal SSD

SKU CH-1T7P-J7NCB

512 GB M.2 2280 NVMe drive with PCIe 3.0 x4 interface, 3D NAND TLC, HMB cache and sequential speeds up to 3200 MB/s read and 2500 MB/s write

  • Max Sequential ReadUp to 3200 MBps
  • Max Sequential WriteUp to 2500 MBps
  • Form FactorM.2 2280
  • Capacity512GB
  • InterfacePCI-Express 3.0 x4
  • Memory Components3D NAND

Capacity 512GB

  • Sequential read up to 3200 MB/s for fast system response
  • Sequential write up to 2500 MB/s speeds up file transfers
  • M.2 2280 form factor fits standard laptop and desktop slots
  • PCIe 3.0 x4 NVMe interface enables high throughput
  • 3D NAND TLC memory with HMB cache boosts endurance

Bestoss GM328 512GB NVMe SSD

The Bestoss GM328 is a 512GB internal solid-state drive built for consumer laptops and desktops. It uses the M.2 2280 form factor and connects through a PCI-Express 3.0 x4 interface with the NVMe protocol. The drive employs 3D NAND TLC flash memory to deliver sequential reads up to 3200 MBps and writes up to 2500 MBps.

HMB and Dynamic SLC Cache

This model operates without a dedicated DRAM buffer and instead uses Host Memory Buffer technology combined with a Dynamic SLC Cache. The combination is designed to maintain software and hardware synergy for smooth loading and system responsiveness. It supports plug-and-play installation on Windows and Linux systems across laptops, desktops and all-in-one PCs.

512GB capacity for everyday workloads

The 512GB capacity provides space for operating systems, applications, documents, photos, videos and games. TLC NAND flash offers longer write endurance than QLC alternatives, supporting reliable daily work, productivity tasks and gaming. The drive has undergone 88-hour endurance testing to verify stability and shock resistance for continuous operation.

Highlights

  • Sequential read up to 3200 MB/s for fast system response
  • Sequential write up to 2500 MB/s speeds up file transfers
  • M.2 2280 form factor fits standard laptop and desktop slots
  • PCIe 3.0 x4 NVMe interface enables high throughput
  • 3D NAND TLC memory with HMB cache boosts endurance

Specifications

Max Sequential ReadUp to 3200 MBps
Max Sequential WriteUp to 2500 MBps
Form FactorM.2 2280
Capacity512GB
InterfacePCI-Express 3.0 x4
Memory Components3D NAND
ProtocolNVMe
CacheNo DRAM (HMB)
BrandBestoss
SeriesGM Series
ModelGM328
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer

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Questions about this item

Will the GM328 512GB need a DRAM cache upgrade later?

The GM328 512GB has no DRAM cache and uses HMB instead; the controller manages mapping through host memory so no separate cache module can be added.

What limits the GM328 512GB during long sustained writes?

The dynamic SLC cache absorbs bursts, but once it fills the drive writes at native TLC speed, which is lower than the 2500 MBps peak.

How hot or loud does the GM328 512GB get when running all day?

The M.2 2280 NVMe drive has no moving parts and draws power only from the PCIe 3.0 x4 slot, so it stays silent and typically runs within normal SSD thermal limits.

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