Hardware Spec Index

Caldera SN-7891 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7891-XT · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index14,116 (SSDs scale)
Category rank#49,886
Street price$559
Power10 W (active)
Performance per dollar25.25
Released2026

Specifications

BrandCaldera
ModelCaldera SN-7891 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,200 MB/s
Sequential write12,400 MB/s
Random 4K read2,070K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-5541 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD11,995$339Compare
Caldera SN-5688 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD5,857$79Compare
Strivon SN-2713 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD13,858$449Compare
Mirenta SN-4617 Pro 500GB SATA 2.5-inch SSD4,442$49Compare
Caldera SN-3364 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD13,277$499Compare
Mirenta SN-7761 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD13,521$529Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7891 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1601428 (accessed 2026-10-21).