Hardware Spec Index

Caldera SN-5644 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5644-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index4,738 (SSDs scale)
Category rank#10,168
Street price$69
Power6 W (active)
Performance per dollar68.67
Released2019

Specifications

BrandCaldera
ModelCaldera SN-5644 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,500 MB/s
Sequential write2,300 MB/s
Random 4K read480K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 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
Altrix SN-3384 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD11,764$309Compare
Caldera SN-6834 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD7,635$159Compare
Novexa SN-2200 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,505$89Compare
Novexa SN-7778 Edge 2TB PCIe 3.0 NVMe M.2 2280 SSD11,686$369Compare
Caldera SN-6672 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD10,357$319Compare
Mirenta SN-6892 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD8,600$179Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5644 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/91367 (accessed 2026-10-22).