Hardware Spec Index

Caldera SN-8690 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8690-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index6,968 (SSDs scale)
Category rank#5,109
Street price$129
Power5 W (active)
Performance per dollar54.02
Released2019

Specifications

BrandCaldera
ModelCaldera SN-8690 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,100 MB/s
Sequential write2,300 MB/s
Random 4K read480K IOPS
NAND3D QLC, 232-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
Caldera SN-4022 Edge 1TB PCIe 3.0 NVMe M.2 2280 SSD9,774$239Compare
Altrix SN-2735 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD10,236$279Compare
Caldera SN-6232 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD8,696$199Compare
Mirenta SN-6724 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD14,900$599Compare
Caldera SN-6171 Edge 1TB PCIe 4.0 NVMe M.2 2230 SSD5,210$59Compare
Strivon SN-3174 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD8,388$149Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8690 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/18192550 (accessed 2026-10-20).