Hardware Spec Index

Caldera SN-3953 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3953-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index13,747 (SSDs scale)
Category rank#137
Street price$489
Power5 W (active)
Performance per dollar28.11
Released2022

Specifications

BrandCaldera
ModelCaldera SN-3953 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,600 MB/s
Sequential write4,000 MB/s
Random 4K read810K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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-7540 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD13,579$529Compare
Novexa SN-3012 Max 1TB PCIe 4.0 NVMe M.2 2230 SSD5,793$69Compare
Novexa SN-2223 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD12,799$439Compare
Caldera SN-5340 Ultra 500GB SATA 2.5-inch SSD4,497$39Compare
Caldera SN-8023 Max 2TB PCIe 4.0 NVMe M.2 2230 SSD7,431$119Compare
Strivon SN-7393 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD8,526$179Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3953 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/92934726 (accessed 2026-10-24).