Consumercarts is reader-supported. Learn more
Acer FA300 vs Western Digital WD Black SN850X: Comparison
Acer FA300 vs Western Digital WD Black SN850X sequential read compared
Sequential read is where these two genuinely part company, Acer FA300 11000 MB/s against Western Digital WD Black SN850X 7300 MB/s, a 34% lead for Acer FA300. Measured rather than claimed: in Speed Score the Acer FA300 returns 8.5 against 8.4, a 1% lead. Acer FA300 also leads on sequential write, 10000 MB/s on the Acer FA300 versus 6600 MB/s on the Western Digital WD Black SN850X. Add nand layers to that, 218 on the Acer FA300 versus 112 on the Western Digital WD Black SN850X, and the pattern holds. Controller is not the same on both, SM2504XT on the Acer FA300 versus SanDisk 20-82-20035 on the Western Digital WD Black SN850X. Controller vendor is not the same on both, Silicon Motion on the Acer FA300 versus SanDisk on the Western Digital WD Black SN850X. There is a split on nand vendor as well, Kioxia on the Acer FA300 versus SanDisk on the Western Digital WD Black SN850X.
Acer FA300 vs Western Digital WD Black SN850X: which one fits your build
Take the Western Digital WD Black SN850X for PlayStation 5 owners specifically wanting a drive engineered around that console's exact requirements. This is a genuine, specific strength independently confirmed across reviews. It is equally the pick for PC gaming builds on PCIe 4.0 wanting a strong, well-rounded alternative to Samsung's 990 PRO. Comparable performance with WD's own engineering approach. It is the wrong buy for the most budget-conscious PCIe 4.0 buyers. The WD_BLACK SN770, covered elsewhere on this site, delivers solid gaming performance at a meaningfully lower price.
Frequently asked questions
Do the Acer FA300 and Western Digital WD Black SN850X differ on bus interface?
Yes. Bus Interface reads PCIe 5.0 x4 on the Acer FA300 versus PCIe 4.0, NVMe on the Western Digital WD Black SN850X.
Is the NAND Type the same on the Acer FA300 and Western Digital WD Black SN850X?
It is. Both are listed at TLC, so it is not a reason to pick one over the other.
Specs and benchmarks
Speed Score
- Acer FA300
- 8.5/10Best
- Western Digital WD Black SN850X
- 8.4/10-1%
How fast this drive is, rated from its read and write speeds, cache and NAND type. 10 is the fastest.
Brand
- Acer FA300
- Acer
- Western Digital WD Black SN850X
- Western Digital
Model Number
- Acer FA300
- Acer FA300
- Western Digital WD Black SN850X
- SN850X
Series
- Acer FA300
- FA300
- Western Digital WD Black SN850X
- WD_BLACK SN850X
Drive Type
- Acer FA300
- Internal
- Western Digital WD Black SN850X
- Internal
Bus Interface
- Acer FA300
- PCIe 5.0 x4
- Western Digital WD Black SN850X
- PCIe 4.0, NVMe
Form Factor
- Acer FA300
- M.2 2280
- Western Digital WD Black SN850X
- M.2 2280
Sequential Read
- Acer FA300
- 11000 MB/s
- Western Digital WD Black SN850X
- 7300 MB/s-34%
Sequential Write
- Acer FA300
- 10000 MB/s
- Western Digital WD Black SN850X
- 6600 MB/s-34%
Controller
- Acer FA300
- SM2504XT
- Western Digital WD Black SN850X
- SanDisk 20-82-20035
Controller Vendor
- Acer FA300
- Silicon Motion
- Western Digital WD Black SN850X
- SanDisk
DRAM Cache
- Acer FA300
- DRAM-less (HMB)
- Western Digital WD Black SN850X
- DRAM
NAND Type
- Acer FA300
- TLC
- Western Digital WD Black SN850X
- TLC
NAND Vendor
- Acer FA300
- Kioxia
- Western Digital WD Black SN850X
- SanDisk
NAND Layers
- Acer FA300
- 218
- Western Digital WD Black SN850X
- 112-49%
Which one should you pick?
Choose Acer FA300 if you want the higher speed score (8.5 vs 8.4), the higher sequential read (11000 MB/s vs 7300 MB/s) and the higher sequential write (10000 MB/s vs 6600 MB/s).
Choose WD Black SN850X if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Acer FA300 | Western Digital WD Black SN850X |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.