Caldera SN-3953 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN3953-XT · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 5,006 (SSDs scale) |
|---|---|
| Category rank | #31,889 |
| Street price | $59 |
| Power | 7 W (active) |
| Performance per dollar | 84.85 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-3953 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,200 MB/s |
| Sequential write | 4,500 MB/s |
| Random 4K read | 1,080K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 200 TBW (0.18 DWPD) |
| Warranty | 3 years |
| Heatsink | Heatsink edition available |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix SN-9738 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD | 14,900 | $539 | Compare |
| Caldera SN-5340 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,454 | $249 | Compare |
| Altrix SN-4769 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,344 | $309 | Compare |
| Novexa SN-9034 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,055 | $369 | Compare |
| Mirenta SN-1728 XT 1TB SATA 2.5-inch SSD | 4,394 | $49 | Compare |
| Strivon SN-1620 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD | 10,974 | $279 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-3953 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8935964 (accessed 2026-10-19).