Hardware Spec Index

Caldera SN-8490 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8490-XT · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index11,387 (SSDs scale)
Category rank#33,461
Street price$319
Power6 W (active)
Performance per dollar35.70
Released2020

Specifications

BrandCaldera
ModelCaldera SN-8490 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,000 MB/s
Sequential write4,800 MB/s
Random 4K read1,290K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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
Novexa SN-5198 Prime 4TB PCIe 3.0 NVMe M.2 2280 SSD11,138$279Compare
Caldera SN-8040 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD11,676$389Compare
Altrix SN-4310 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD9,586$259Compare
Novexa SN-4870 Edge 500GB PCIe 4.0 NVMe M.2 2280 SSD5,217$69Compare
Altrix SN-8172 SE 1TB SATA 2.5-inch SSD4,020$39Compare
Mirenta SN-9261 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD7,925$139Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8490 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5613778 (accessed 2026-10-22).