Hardware Spec Index

Caldera SN-8623 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8623-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index11,949 (SSDs scale)
Category rank#35,156
Street price$359
Power5 W (active)
Performance per dollar33.28
Released2020

Specifications

BrandCaldera
ModelCaldera SN-8623 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write4,200 MB/s
Random 4K read840K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 2 GB
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
Novexa SN-1500 Ultra 1TB SATA 2.5-inch SSD4,082$39Compare
Altrix SN-6528 Max 500GB PCIe 3.0 NVMe M.2 2280 SSD5,800$79Compare
Caldera SN-4785 SE 2TB PCIe 5.0 NVMe M.2 2280 SSD11,204$309Compare
Strivon SN-5209 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD11,350$299Compare
Altrix SN-3365 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD13,353$479Compare
Strivon SN-2908 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD8,042$159Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8623 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7828344 (accessed 2026-10-25).