Hardware Spec Index

Caldera SN-6855 Plus 1TB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN6855-PLUS · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index4,268 (SSDs scale)
Category rank#23,227
Street price$39
Power3 W (active)
Performance per dollar109.44
Released2019

Specifications

BrandCaldera
ModelCaldera SN-6855 Plus
Capacity1 TB
Form factor2.5" SATA (7 mm)
InterfaceSATA 6 Gb/s (AHCI)
Sequential read550 MB/s
Sequential write520 MB/s
Random 4K read98K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (SLC cache)
Endurance240 TBW (0.22 DWPD)
Warranty3 years
HeatsinkNone

Related guides

SSD Endurance ExplainedDRAM vs DRAM-less SSDsNVMe SSDs ExplainedPCIe 4.0 vs PCIe 5.0M.2 SSD Sizes and Keys

Similar SSDs

ModelBenchmarkPriceCompare
Caldera SN-1594 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD7,710$149Compare
Novexa SN-7115 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD14,025$519Compare
Novexa SN-6541 Pro 1TB PCIe 3.0 NVMe M.2 2280 SSD6,450$99Compare
Mirenta SN-2018 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD12,255$449Compare
Novexa SN-3139 SE 500GB SATA 2.5-inch SSD4,143$39Compare
Mirenta SN-7502 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD14,791$599Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6855 Plus 1TB SATA 2.5-inch SSD”, https://vextor7.com/item/46432878 (accessed 2026-10-26).