Hardware Spec Index

Caldera SN-2685 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN2685-ULTRA · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index8,677 (SSDs scale)
Category rank#20,447
Street price$239
Power6 W (active)
Performance per dollar36.31
Released2020

Specifications

BrandCaldera
ModelCaldera SN-2685 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write4,900 MB/s
Random 4K read1,160K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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
Strivon SN-5258 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD9,051$239Compare
Mirenta SN-6330 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD14,900$599Compare
Caldera SN-8929 XT 500GB SATA 2.5-inch SSD4,006$39Compare
Altrix SN-9875 Ultra 1TB SATA 2.5-inch SSD3,872$39Compare
Strivon SN-5642 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD8,725$169Compare
Caldera SN-5844 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,148$79Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-2685 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/11633734 (accessed 2026-10-18).