Who is the WD - Black SN850X 2TB for?
Solid mid-pack ssd. The 69.4 score lands in B-tier (68–77) — competent across the board, with one or two specs holding it back.
A right buy if pricing matters and the trade-offs the formula penalizes don’t affect how you use the device. Compare it against the A-tier picks first.
Mars Score is computed from 7 measured specs against the transparent formula for the ssds category. No editorial picks, no paid placement.
At a glance
- Capacity
- 2000GB
- Sequential read
- 7300MB/s
- Sequential write
- 6600MB/s
- Interface
- PCIe 4.0 x4
All specifications
Capacity
- Capacity
- 2000 GB
Performance
- Sequential read
- 7300 MB/s
- Sequential write
- 6600 MB/s
- Interface
- PCIe 4.0 x4
- Form factor
- M.2 2280
Endurance
- Endurance (TBW)?
- 1200
- Warranty
- 5 yrs
Latest from the lab
All lab reports →Popular comparisons featuring the WD - Black SN850X 2TB
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Frequently asked
What is the Mars Score for WD - Black SN850X 2TB?+
WD - Black SN850X 2TB scores 69.4 on the transparent Mars Score formula for ssds, computed from its published specs against the category's weighted normalization.
What category does WD - Black SN850X 2TB belong to?+
WD - Black SN850X 2TB is a WD ssd catalogued in the SSDs category.
When was WD - Black SN850X 2TB released?+
WD - Black SN850X 2TB was released on 2022-07-26.
What is the capacity of WD - Black SN850X 2TB?+
WD - Black SN850X 2TB has a capacity of 2000 GB.
What is the sequential read of WD - Black SN850X 2TB?+
WD - Black SN850X 2TB has a sequential read of 7300 MB/s.
What is the sequential write of WD - Black SN850X 2TB?+
WD - Black SN850X 2TB has a sequential write of 6600 MB/s.
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