Hardware Spec Index

Caldera SN-5921 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5921-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index10,158 (SSDs scale)
Category rank#15,893
Street price$219
Power6 W (active)
Performance per dollar46.38
Released2026

Specifications

BrandCaldera
ModelCaldera SN-5921 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write4,700 MB/s
Random 4K read1,350K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 1 GB
Endurance600 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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
Strivon SN-8765 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD6,041$89Compare
Mirenta SN-2174 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD14,900$519Compare
Novexa SN-8726 XT 1TB PCIe 4.0 NVMe M.2 2230 SSD10,068$229Compare
Novexa SN-5412 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD8,711$199Compare
Novexa SN-1025 Ultra 500GB PCIe 4.0 NVMe M.2 2230 SSD4,543$49Compare
Caldera SN-1670 SE 1TB PCIe 4.0 NVMe M.2 2230 SSD6,156$99Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5921 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4019449 (accessed 2026-10-25).