Hardware Spec Index

Caldera SN-5581 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5581-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index11,210 (SSDs scale)
Category rank#49,472
Street price$299
Power9 W (active)
Performance per dollar37.49
Released2025

Specifications

BrandCaldera
ModelCaldera SN-5581 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read11,400 MB/s
Sequential write10,900 MB/s
Random 4K read1,550K 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
Mirenta SN-2183 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD8,908$209Compare
Mirenta SN-5674 Edge 500GB PCIe 4.0 NVMe M.2 2280 SSD6,488$99Compare
Altrix SN-3371 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD13,771$509Compare
Strivon SN-1227 Core 2TB PCIe 5.0 NVMe M.2 2280 SSD11,042$279Compare
Mirenta SN-1172 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD12,130$479Compare
Caldera SN-8007 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD11,477$359Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5581 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2121966 (accessed 2026-10-21).