Hardware Spec Index

Caldera SN-2688 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN2688-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index7,539 (SSDs scale)
Category rank#26,852
Street price$139
Power6 W (active)
Performance per dollar54.24
Released2021

Specifications

BrandCaldera
ModelCaldera SN-2688 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,300 MB/s
Sequential write4,200 MB/s
Random 4K read870K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 years
HeatsinkHeatsink 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

ModelBenchmarkPriceCompare
Altrix SN-4726 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD4,379$59Compare
Strivon SN-9191 Pro 500GB SATA 2.5-inch SSD3,577$39Compare
Novexa SN-8889 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD10,191$269Compare
Caldera SN-9729 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD6,469$109Compare
Altrix SN-5213 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD6,306$79Compare
Caldera SN-8209 Plus 500GB SATA 2.5-inch SSD4,138$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-2688 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8252766 (accessed 2026-10-21).