Hardware Spec Index

Caldera SN-9645 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9645-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index13,717 (SSDs scale)
Category rank#49,557
Street price$499
Power8 W (active)
Performance per dollar27.49
Released2026

Specifications

BrandCaldera
ModelCaldera SN-9645 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,100 MB/s
Sequential write13,000 MB/s
Random 4K read1,710K IOPS
NAND3D TLC, 176-layer
CacheLPDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-1571 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD8,533$179Compare
Caldera SN-9793 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD6,287$99Compare
Strivon SN-2288 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD13,154$459Compare
Caldera SN-4099 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD13,990$549Compare
Altrix SN-7626 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD9,417$209Compare
Novexa SN-9921 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD10,787$299Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-9645 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2187274 (accessed 2026-10-23).