Hardware Spec Index

Caldera SN-5449 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5449-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index12,853 (SSDs scale)
Category rank#40,169
Street price$379
Power8 W (active)
Performance per dollar33.91
Released2021

Specifications

BrandCaldera
ModelCaldera SN-5449 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,100 MB/s
Sequential write3,900 MB/s
Random 4K read980K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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-4267 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD12,123$419Compare
Novexa SN-1117 Plus 500GB SATA 2.5-inch SSD4,432$49Compare
Altrix SN-1179 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD6,085$89Compare
Strivon SN-3866 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD12,372$359Compare
Caldera SN-3814 Ti 500GB SATA 2.5-inch SSD3,101$29Compare
Novexa SN-5773 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD5,898$99Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5449 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/744236 (accessed 2026-10-20).