Hardware Spec Index

Caldera SN-3921 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3921-XT · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index6,264 (SSDs scale)
Category rank#16,893
Street price$89
Power6 W (active)
Performance per dollar70.38
Released2022

Specifications

BrandCaldera
ModelCaldera SN-3921 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write5,500 MB/s
Random 4K read1,390K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
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
Mirenta SN-2890 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD13,541$509Compare
Novexa SN-3492 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD5,185$59Compare
Altrix SN-2093 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD8,878$199Compare
Altrix SN-7014 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD5,117$49Compare
Altrix SN-1847 SE 500GB SATA 2.5-inch SSD4,519$49Compare
Novexa SN-6163 Edge 500GB PCIe 4.0 NVMe M.2 2280 SSD5,275$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3921 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7937775 (accessed 2026-10-21).