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PNY CS900 1TB 2.5" SATA III Internal SSD
PNY

PNY CS900 1TB 2.5" SATA III Internal SSD

Bottom line: The PNY CS900 1TB 2.5" SATA III Internal SSD ($129.99 on Amazon as of 2026-10-20 16:16 UTC): Up to 535MB/s sequential read, 515MB/s write over SATA III; main trade-off: SATA III caps speeds far below NVMe M.2 drives.

$129.99

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Buy on Amazon — $129.99 Compare to similar ssds & storage

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Up to 535MB/s sequential read, 515MB/s write over SATA III
  • ✓ 1TB fits Windows plus a large game or media library
  • ✓ Backwards compatible with SATA II 3GB/sec for older systems
  • ✓ Ultra-low power draw helps laptop battery life

Cons

  • ✗ SATA III caps speeds far below NVMe M.2 drives
  • ✗ 2.5-inch bay required; no fit in M.2-only laptops
  • ✗ PNY publishes no random IOPS figures in the listing
  • ✗ No stated endurance (TBW) rating in the product details

Manufacturer description

Upgrade your laptop or desktop computer and feel the difference with super-fast OS boot times and application loads Exceptional performance offering up to 535MB/s seq. Read and 515MB/s seq. Write speeds Superior performance as compared to traditional hard drives (HDD)

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SpecPicks Verdict

SpecPicks scored PNY CS900 1TB 2.5" SATA III Internal SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. PNY's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the PNY CS900 1TB?

PNY rates it at up to 535MB/s sequential read and 515MB/s sequential write, which is close to the practical ceiling of the SATA III interface.

Will this work in my older laptop or desktop?

Yes, if it has a 2.5-inch drive bay. The CS900 is backwards compatible with SATA II 3GB/sec, so it works in machines that predate SATA III controllers, though speeds are limited by the older port.

Is this faster than an M.2 NVMe SSD?

No. This is a SATA III drive, and NVMe drives on a PCIe interface are several times faster in sequential transfers. Against a traditional hard drive, however, the CS900 is dramatically quicker for boot and application loading.

Do I need a mounting bracket or cable?

Check the product listing for what is included. Desktops with only 3.5-inch bays typically need a 2.5-inch adapter bracket, and you will need a SATA data cable and power connector.

Is the PNY CS900 reliable enough for a boot drive?

OS boot acceleration is the use case PNY markets it for. Check the product listing for current warranty terms.

Key Features

  • Upgrade your laptop or desktop computer and feel the difference with super-fast OS boot times and application loads
  • Exceptional performance offering up to 535MB/s seq. Read and 515MB/s seq. Write speeds
  • Superior performance as compared to traditional hard drives (HDD)
  • Ultra-low power consumption
  • Backwards compatible with SATA II 3GB/sec

Full Specifications

Size1TB
BrandPNY
ColorBlack
ModelSSD7CS900-1TB-RB
Warranty3 Year
UnitCount1
ReleaseDate2019-09-19T00:00:01Z
ManufacturerPNY
ItemPartNumberSSD7CS900-1TB-RB

Ready to buy?

PNY CS900 1TB 2.5" SATA III Internal SSD is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $129.99

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

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PNY CS900 1TB 2.5" SATA III Internal SSD
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