Caldera SN-5948 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5948-ULTRA · Released 2025 · Updated 2026-10-24
Key facts
| Benchmark index | 5,409 (SSDs scale) |
|---|---|
| Category rank | #16,653 |
| Street price | $69 |
| Power | 5 W (active) |
| Performance per dollar | 78.39 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5948 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,300 MB/s |
| Sequential write | 6,100 MB/s |
| Random 4K read | 1,260K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 years |
| Heatsink | None |
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 |
|---|---|---|---|
| Strivon SN-5025 XT 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,885 | $389 | Compare |
| Strivon SN-6726 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
| Mirenta SN-1065 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,368 | $239 | Compare |
| Novexa SN-4664 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $539 | Compare |
| Caldera SN-9129 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,257 | $329 | Compare |
| Novexa SN-8169 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,646 | $399 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5948 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41666405 (accessed 2026-10-24).