Hardware Spec Index

Caldera SN-7855 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7855-EDGE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index11,992 (SSDs scale)
Category rank#21,366
Street price$359
Power8 W (active)
Performance per dollar33.40
Released2025

Specifications

BrandCaldera
ModelCaldera SN-7855 Edge
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,200 MB/s
Sequential write10,400 MB/s
Random 4K read2,450K IOPS
NAND3D TLC, 232-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-2072 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD9,239$199Compare
Strivon SN-8349 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD7,177$129Compare
Novexa SN-8063 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD9,678$259Compare
Mirenta SN-8693 Pro 500GB SATA 2.5-inch SSD3,863$29Compare
Altrix SN-7968 SE 500GB SATA 2.5-inch SSD4,297$49Compare
Altrix SN-9221 Ti 500GB PCIe 4.0 NVMe M.2 2280 SSD5,371$79Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7855 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/17866835 (accessed 2026-10-22).