Hardware Spec Index

Caldera SN-7439 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7439-XT · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index6,907 (SSDs scale)
Category rank#24,593
Street price$119
Power7 W (active)
Performance per dollar58.04
Released2022

Specifications

BrandCaldera
ModelCaldera SN-7439 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write6,900 MB/s
Random 4K read900K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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
Altrix SN-1601 Ultra 500GB SATA 2.5-inch SSD3,400$39Compare
Novexa SN-5350 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD12,021$299Compare
Altrix SN-8937 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD4,906$59Compare
Strivon SN-1544 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD5,768$79Compare
Novexa SN-5376 Core 500GB PCIe 4.0 NVMe M.2 2280 SSD5,052$59Compare
Mirenta SN-9315 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD13,620$509Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7439 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/32935595 (accessed 2026-10-25).