Hardware Spec Index

Caldera SN-4494 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4494-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index11,741 (SSDs scale)
Category rank#23,178
Street price$429
Power5 W (active)
Performance per dollar27.37
Released2023

Specifications

BrandCaldera
ModelCaldera SN-4494 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write6,700 MB/s
Random 4K read1,010K IOPS
NAND3D TLC, 232-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
Mirenta SN-9270 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD13,586$549Compare
Caldera SN-5065 Plus 1TB SATA 2.5-inch SSD3,629$39Compare
Novexa SN-1242 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD4,558$59Compare
Strivon SN-3092 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD10,020$269Compare
Altrix SN-9063 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD9,411$269Compare
Altrix SN-4380 Max 1TB SATA 2.5-inch SSD4,001$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4494 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/48412351 (accessed 2026-10-21).