Hardware Spec Index

Caldera SN-7421 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7421-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index6,608 (SSDs scale)
Category rank#9,710
Street price$119
Power8 W (active)
Performance per dollar55.53
Released2022

Specifications

BrandCaldera
ModelCaldera SN-7421 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write5,500 MB/s
Random 4K read1,290K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance1,200 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
Caldera SN-1670 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD4,885$59Compare
Novexa SN-5826 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD7,185$149Compare
Altrix SN-3963 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD9,766$239Compare
Strivon SN-3149 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD14,066$459Compare
Caldera SN-7660 Core 4TB PCIe 3.0 NVMe M.2 2280 SSD13,366$499Compare
Strivon SN-9671 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD5,560$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7421 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4465686 (accessed 2026-10-20).