Caldera SN-1888 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1888-XT · Released 2025 · Updated 2026-10-23
Key facts
| Benchmark index | 14,334 (SSDs scale) |
|---|---|
| Category rank | #23,811 |
| Street price | $599 |
| Power | 9 W (active) |
| Performance per dollar | 23.93 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1888 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 13,700 MB/s |
| Sequential write | 12,700 MB/s |
| Random 4K read | 2,720K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | LPDDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Included (recommended for sustained loads) |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-5474 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
| Altrix SN-7072 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,900 | $529 | Compare |
| Novexa SN-7664 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,471 | $239 | Compare |
| Strivon SN-8790 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,272 | $349 | Compare |
| Strivon SN-3549 Core 2TB PCIe 3.0 NVMe M.2 2280 SSD | 10,354 | $279 | Compare |
| Caldera SN-5811 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,148 | $299 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1888 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/943746 (accessed 2026-10-23).