Hardware Spec Index

Caldera SN-7946 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7946-XT · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index5,953 (SSDs scale)
Category rank#49,550
Street price$99
Power8 W (active)
Performance per dollar60.13
Released2021

Specifications

BrandCaldera
ModelCaldera SN-7946 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write3,600 MB/s
Random 4K read1,320K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance300 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-4695 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD8,735$189Compare
Strivon SN-7412 Core 1TB SATA 2.5-inch SSD3,065$39Compare
Caldera SN-8236 Edge 2TB PCIe 3.0 NVMe M.2 2280 SSD9,952$259Compare
Altrix SN-3357 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD8,044$139Compare
Novexa SN-7699 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD13,755$459Compare
Caldera SN-1124 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD6,381$119Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7946 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2584535 (accessed 2026-10-22).