WD Black SN850X 2TB
PCIe 4.0 · 7,300 MB/s · Game Mode 2.0
TeamGroup T-Force Cardea Z540 1TB
PCIe 5.0 · 12400/11800 MB/s · 1TB
TeamGroup T-Force Cardea Z540 1TB takes it — here’s why.
In our weighted Specdex score, WD Black SN850X 2TB lands at 90 and TeamGroup T-Force Cardea Z540 1TB at 92. That puts TeamGroup T-Force Cardea Z540 1TB ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick WD Black SN850X 2TB if…
- ✓Fastest PCIe 4.0 in real-world games
- ✓Excellent endurance
- ✓Optional heatsink for PS5
Pick TeamGroup T-Force Cardea Z540 1TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Score breakdown
Specs side-by-side
| Spec | WD Black SN850X 2TB | TeamGroup T-Force Cardea Z540 1TB |
|---|---|---|
| Interface | PCIe 4.0 x4 NVMe | PCIe 5.0 |
| Read speed | 7,300 MB/s | — |
| Write speed | 6,600 MB/s | — |
| TBW | 1200 | — |
| Form | M.2 2280 | — |
| Capacity | — | 1TB |
| Read/Write | — | 12400/11800 MB/s |
WD Black SN850X 2TB
- +Fastest PCIe 4.0 in real-world games
- +Excellent endurance
- +Optional heatsink for PS5
- −PCIe 4.0 only
- −Runs warm without heatsink
- −Software dated
TeamGroup T-Force Cardea Z540 1TB
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
FAQ: WD Black SN850X 2TB vs TeamGroup T-Force Cardea Z540 1TB
Which is better, WD Black SN850X 2TB or TeamGroup T-Force Cardea Z540 1TB? +
TeamGroup T-Force Cardea Z540 1TB scores 92 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is WD Black SN850X 2TB worth the price? +
At $189, WD Black SN850X 2TB delivers a Specdex score of 90 — strongest in read.
Is TeamGroup T-Force Cardea Z540 1TB worth the price? +
At $180, TeamGroup T-Force Cardea Z540 1TB delivers a Specdex score of 92 — strongest in read.
Does WD Black SN850X 2TB or TeamGroup T-Force Cardea Z540 1TB last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.