Hardware Spec Index

Caldera SN-4998 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4998-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index10,730 (SSDs scale)
Category rank#23,587
Street price$339
Power6 W (active)
Performance per dollar31.65
Released2021

Specifications

BrandCaldera
ModelCaldera SN-4998 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,800 MB/s
Sequential write5,700 MB/s
Random 4K read1,250K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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
Mirenta SN-9617 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD13,346$469Compare
Mirenta SN-3390 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD6,065$89Compare
Mirenta SN-2140 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD10,191$279Compare
Caldera SN-9094 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD10,573$319Compare
Caldera SN-9988 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD6,910$129Compare
Novexa SN-2025 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD13,172$429Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4998 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9687238 (accessed 2026-10-21).