Hardware Spec Index

Caldera SN-4789 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4789-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index8,761 (SSDs scale)
Category rank#15,445
Street price$199
Power6 W (active)
Performance per dollar44.03
Released2022

Specifications

BrandCaldera
ModelCaldera SN-4789 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,700 MB/s
Sequential write4,300 MB/s
Random 4K read770K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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-7505 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD5,049$59Compare
Caldera SN-6165 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD5,824$59Compare
Novexa SN-2732 Max 1TB PCIe 3.0 NVMe M.2 2280 SSD5,964$79Compare
Mirenta SN-8312 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD8,506$179Compare
Novexa SN-4873 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD12,912$459Compare
Mirenta SN-4234 Max 1TB PCIe 3.0 NVMe M.2 2280 SSD6,380$109Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4789 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8501925 (accessed 2026-10-22).