Hardware Spec Index

Caldera SN-8939 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8939-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index5,821 (SSDs scale)
Category rank#42,319
Street price$79
Power5 W (active)
Performance per dollar73.68
Released2019

Specifications

BrandCaldera
ModelCaldera SN-8939 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,800 MB/s
Sequential write2,200 MB/s
Random 4K read470K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 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-8075 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD12,584$369Compare
Caldera SN-8425 Max 1TB SATA 2.5-inch SSD3,747$39Compare
Altrix SN-1821 Max 2TB PCIe 4.0 NVMe M.2 2230 SSD8,927$189Compare
Altrix SN-5302 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD7,398$159Compare
Altrix SN-2440 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD9,580$229Compare
Caldera SN-2527 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD11,596$359Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8939 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2220119 (accessed 2026-10-21).