WD-SN850P-1

Comparison between the two drives WD Black SN850P and WD Black SN850X.

/ by ivazancj

🔁 Core Similarities

Both SSDs are PCIe 4.0 NVMe M.2 2280 drives aimed at high-performance gaming and fast storage. They share almost identical internal performance specs:

✅ Very high sequential read speeds (~7,300 MB/s) and write speeds (~6,300–6,600 MB/s) depending on capacity.
✅ Strong random I/O performance (~1.2M read / ~1.1M write).
✅ Same endurance and 5-year warranty.
✅ Both work with PC and PS5 if a proper heatsink is used.

So at their core, they’re the same class of SSDs with nearly the same performance in real-world tasks.

🆚 Key Differences

🎮 1. Branding & Target Audience

WD Black SN850P

  • Branded and officially licensed for PlayStation 5 — includes a PS logo and meets Sony’s size/fit recommendations.
  • Intended to be a drop-in solution for PS5 storage (heatsink designed to fit the console).

WD Black SN850X

  • More general-purpose, aimed at PC gamers and console users alike.
  • Doesn’t carry the official PlayStation logo (but still PS5 compatible with the right heatsink).

❄️ 2. Heatsink & Fit

SN850P

  • Includes a pre-installed heatsink sized to fit the PS5’s expansion slot well.
  • Slightly larger/heavier heatsink than the SN850X version.

SN850X

  • Available with or without heatsink — so if you buy a heatsink-less model for PS5, you’ll need to add one yourself.
  • More flexible for PC builds where space/airflow varies.

💰 3. Price & Value

SN850P

  • Often significantly more expensive — because of the PS license and included heatsink.

SN850X

  • Typically better value, especially if you already have or can add your own heatsink.

📊 4. Performance in Practice

Real-world benchmarks show that both drives perform nearly identically in games and general usage. The tiny differences in specs (if any) don’t translate into meaningful user-visible differences in load times or general tasks.

🧠 TL;DR — Which Should You Pick?

Use CaseBest Choice
PS5 storage — plug-and-play with guaranteed fitWD Black SN850P
PC storage or best price/performanceWD Black SN850X
Already have a heatsink or don’t need PS5 brandingWD Black SN850X

Bottom line:
There’s no meaningful performance advantage between them — the SN850P is basically a PS5-branded SN850X with a fitted heatsink and higher price.

Written by: RAJMOHAN JAYAKRISHNAN (Founder Of TRYAKSH STORE)
Gaming & Tech Content Writer

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