New
KingSpec OneBoom X400 2TB PCIe 4.0 x4 NVMe M.2 2280
Capacity 2TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,300 MB/s
NAND TLC
Endurance 1800 TBW
68 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong endurance (91st percentile) 91st
- Strong speed (83rd percentile) 83rd
- Strong feature (79th percentile) 79th
- Strong capacity (79th percentile) 79th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has improved over time
78/100Our AI sentiment read
- Q1 2026100/100
All four reviews are positive, praising the product's speed, flawless performance, and value for money. One mentions it's great for backups.
- Product is fast and works without issues.
- Excellent value for money.
- Suitable for backup purposes.
- Q4 202575/100
Buyers report good performance and compatibility with devices like Legion Go and Raspberry Pi 5, but one reviewer warns of price hikes and poor sustained speeds after cache.
- Fast read/write speeds and good temperatures, as described.
- Works well with Legion Go and Raspberry Pi 5.
- Price jumped from $238.99 to $305.99 in one month; now over $400 for 4TB.
- Sustained speeds drop below 40 MB/s after cache; mixed parts and firmware.
Based on 11 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 2000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7300 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Endurance (TBW) | 1800 |
| Warranty (years) | 3 |
Features
| Heatsink | Yes |
vs Competition
| Spec | KingSpec OneBoom X400 | Kingston FURY Renegade SFYRDK/4000G | Samsung 9100 PRO | Western Digital Black SN850X | Micron T710 CT4000T710SSD5 | Crucial T500 |
|---|---|---|---|---|---|---|
| Capacity | 2TB | 4TB | 4TB | 4TB | 4TB | 2TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 5.0 | PCIe 4.0 x4 |
| Seq Read | 7,300 MB/s | 7,300 MB/s | 14,800 MB/s | 7,300 MB/s | 14,500 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | true | false | true |
| Endurance | 1800 TBW | 4000 TBW | 2400 TBW | 2400 TBW | 2400 TBW | 1200 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|---|
| KingSpec OneBoom X400 | 82.9 | 61.7 | 78.9 | 78.5 | 44.1 | 90.5 | 61.4 | 35.7 |
| Kingston FURY Renegade SFYRDK/4000G Compare | 93.3 | 94.4 | 94 | 92.6 | 79.3 | 94 | 95.3 | 8.9 |
| Samsung 9100 PRO Compare | 99.2 | 99.8 | 99.7 | 92.6 | 0 | 86 | 99.6 | 5.1 |
| Western Digital Black SN850X Compare | 89 | 95.7 | 89.4 | 92.6 | 94.8 | 88.2 | 95.3 | 10.4 |
| Micron T710 CT4000T710SSD5 Compare | 99.1 | 99.2 | 89.4 | 92.6 | 0 | 86 | 77.3 | 12 |
| Crucial T500 Compare | 94 | 96.9 | 99 | 78.5 | 79.3 | 83 | 95.3 | 19.7 |
Usage Scores
- Overall67.9
- Budget70.2
- Gaming67.7
- Laptop58.4
- Console69.8
- Portable17.2
- Workstation66.6
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
