Astra KD350X 256GB NVMe M.2 SSD Review


Astratech is an India based computer hardware start-up and they just released their first product in the market, ASTRA KD350X NVMe M.2 drives. The name ‘Astra’ the weapons used by gods and the chosen ones symbolized power. The Astra KD350X is positioned towards the mid-range NVMe SSD segment. The KD350X is a Gen 3 NVMe SSD driven by the Phison 12S Controller with DRAM Cache is from Kingston (256MB) and the NAND chip itself is from Micron and backed by 5 Years limited replacement warranty at an affordable price point. As Astra is a newcomer it has lots of established competitors in the market, so let’s find out it has what it takes to take them on?

Astra KD350X 256GB NVMe M.2 SSD Review


  • Super-fast PCIe Gen3x4 interface for read/write speeds of up to 3,400MB/s / 3,000MB/s
  • NVMe 1.3 support
  • Phison 12S Controller
  • Supports SLC Cache and Kingston DRAM Cache Buffer. Provides great SSD sequential read/write and random read/write performance.
  • Slim form factor M.2 2280 for a perfect fit in slim and portable mobile applications or desktop PCs

Packaging & Product Overview

Astra KD350X comes in simple packaging with drive in front and details in the back.

Astra KD350X 256GB NVMe M.2 SSD Review Astra KD350X 256GB NVMe M.2 SSD Review

Astra KD350X features an M.2 2280 from factor and Phison 12S Controller with Kingston DRAM cache buffer. The TLC NAND flash used in the drive is labeled NA59G64A0A, which I couldn’t find any information about it as who is the manufacturer of these chips. I liked to see Astratech to clarify about it. The drive utilizes the M.2 PCIe Gne3.0 x4 interface for maximum bandwidth with NVMe 1.3 protocol.

Astra KD350X 256GB NVMe M.2 SSD Review

The Astra KD350X label mansions that drive is made in Taiwan and conceptualized in India, which is good to know but labeling it on the drive is kind of unnecessary.

Astra KD350X 256GB NVMe M.2 SSD Review