Caldera SN-4688 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4688-ULTRA · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 8,105 (SSDs scale) |
|---|---|
| Category rank | #14,214 |
| Street price | $179 |
| Power | 6 W (active) |
| Performance per dollar | 45.28 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4688 Ultra |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,800 MB/s |
| Sequential write | 5,000 MB/s |
| Random 4K read | 1,340K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 TBW (0.33 DWPD) |
| Warranty | 5 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 |
|---|---|---|---|
| Caldera SN-6935 Ti 1TB PCIe 4.0 NVMe M.2 2230 SSD | 6,213 | $89 | Compare |
| Caldera SN-1952 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,319 | $279 | Compare |
| Caldera SN-6321 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,814 | $269 | Compare |
| Strivon SN-5340 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,411 | $479 | Compare |
| Strivon SN-3360 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,509 | $329 | Compare |
| Caldera SN-3780 Plus 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,085 | $429 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4688 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3901975 (accessed 2026-10-19).