Hardware Spec Index

Caldera SN-9644 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9644-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index9,330 (SSDs scale)
Category rank#19,293
Street price$259
Power5 W (active)
Performance per dollar36.02
Released2020

Specifications

BrandCaldera
ModelCaldera SN-9644 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write5,800 MB/s
Random 4K read1,240K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 1 GB
Endurance600 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-6112 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD13,374$539Compare
Caldera SN-5194 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD10,468$349Compare
Mirenta SN-8149 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD5,398$79Compare
Strivon SN-7911 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD12,287$429Compare
Altrix SN-9489 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD13,459$509Compare
Novexa SN-5191 Edge 2TB PCIe 3.0 NVMe M.2 2280 SSD7,195$119Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-9644 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/12980911 (accessed 2026-10-24).