Hardware Spec Index

Caldera SN-3691 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3691-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index7,747 (SSDs scale)
Category rank#26,488
Street price$169
Power7 W (active)
Performance per dollar45.84
Released2021

Specifications

BrandCaldera
ModelCaldera SN-3691 Prime
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,500 MB/s
Sequential write6,200 MB/s
Random 4K read1,300K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance1,200 TBW (0.33 DWPD)
Warranty5 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-9756 Prime 1TB SATA 2.5-inch SSD3,973$39Compare
Strivon SN-8094 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD4,985$59Compare
Novexa SN-6387 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD7,995$179Compare
Strivon SN-1854 SE 500GB SATA 2.5-inch SSD3,938$39Compare
Altrix SN-2148 Plus 500GB PCIe 4.0 NVMe M.2 2230 SSD5,558$59Compare
Novexa SN-2615 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD13,051$549Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3691 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/32397540 (accessed 2026-10-26).