Hardware Spec Index

Caldera SN-3644 Ultra 8TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3644-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index14,900 (SSDs scale)
Category rank#40,220
Street price$559
Power4 W (active)
Performance per dollar26.65
Released2019

Specifications

BrandCaldera
ModelCaldera SN-3644 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,300 MB/s
Sequential write2,200 MB/s
Random 4K read600K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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
Mirenta SN-1744 Ti 500GB PCIe 4.0 NVMe M.2 2280 SSD6,064$89Compare
Mirenta SN-3901 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD4,927$59Compare
Mirenta SN-2296 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD10,134$249Compare
Caldera SN-2227 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD14,900$599Compare
Caldera SN-9632 Plus 500GB SATA 2.5-inch SSD3,404$29Compare
Caldera SN-2292 Max 1TB SATA 2.5-inch SSD4,116$49Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3644 Ultra 8TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6907306 (accessed 2026-10-20).