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Dell 3V42G PERC H730P 12Gbps Mini Mono Raid Controller — main product image
Dell

Dell 3V42G PERC H730P 12Gbps Mini Mono Raid Controller

★★★★★5.0 (1 reviews)

12Gbps SAS throughput and 2GB cache give your server's storage stack a serious performance ceiling.

$40.80*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The Dell PERC H730P is a Mini Mono form-factor RAID controller designed for Dell's 13th-generation PowerEdge server platform. The 12Gbps SAS/SATA interface isn't just a marketing number — it means the controller's host-side bandwidth is sufficient to sustain full throughput from modern SAS SSDs and NVMe-class workloads without creating a data path ceiling. Paired with 2GB of onboard DRAM cache and a battery backup unit, the H730P enables write-back caching that meaningfully reduces write latency compared to write-through-only configurations. The BBU is the critical companion here: it ensures that cached-but-not-flushed writes survive a power event, making this setup appropriate for mission-critical environments where data integrity is non-negotiable.

This controller is purpose-built for Dell PowerEdge environments — specifically administrators running R730, R630, or similar 13th-gen platforms who need to maximize I/O throughput for virtualization hosts, SQL Server instances, or file servers with demanding concurrent access patterns. The Mini Mono slot integration keeps the PCIe lanes free for other expansion cards. RAID 0 through 60 support covers every standard data protection topology, and the controller's maturity in production environments means driver stability and Dell OpenManage integration are well-established. This is not a consumer or prosumer component — it's a data-center part that belongs in a rack, managed by someone who understands RAID stripe sizing and cache policy tradeoffs.

Specifications

Brand
Dell
Model
3V42G
Interface
12Gbps SAS / SATA
Cache
2GB
Form Factor
Mini Mono
Battery Backup Unit
Included
ASIN
B09B4F4Y8K

Pros & Cons

👍 Pros

  • 12Gbps SAS/SATA interface eliminates the controller as a bottleneck in high-throughput storage configurations
  • 2GB onboard cache delivers meaningful write acceleration for database and VM workloads
  • Included battery backup unit protects cached write data through power interruptions
  • Mini Mono form factor integrates cleanly into compatible Dell PowerEdge chassis without consuming a PCIe slot
  • Supports up to RAID 60 for double-parity fault tolerance across large drive arrays

👎 Cons

  • Mini Mono form factor is Dell PowerEdge-specific — no cross-platform compatibility with standard PCIe servers or workstations
  • Battery backup unit requires periodic replacement as BBU chemistry degrades over multi-year deployments
  • No out-of-band management without a corresponding iDRAC configuration — H730P management is in-band only
  • Cache size is fixed at 2GB with no upgrade path, which can become a constraint in very high write-density NVMe mixed environments
  • Driver and firmware updates are tied to Dell's update cadence, which can lag behind OS release cycles

Frequently Asked Questions

The Mini Mono form factor is designed for Dell PowerEdge servers that use the Mini Mono slot — this includes platforms like the R730, R730xd, R630, and similar 13th-gen PowerEdge chassis. It is not compatible with standard PCIe slots or non-Dell server platforms.
12Gbps SAS doubles the per-lane bandwidth of 6Gbps SAS, meaning the controller is not the bottleneck when pairing with modern 12Gbps SAS drives or high-speed SSD arrays. In practice, this matters most in sequential read/write workloads and in configurations with many drives running simultaneously.
The H730P supports RAID 0, 1, 5, 6, 10, 50, and 60 — covering everything from pure striping to double-parity fault tolerance, making it appropriate for both performance-focused and high-availability storage configurations.
The 2GB DRAM cache accelerates both read and write operations, with write-back caching providing the largest performance gains. A battery backup unit (BBU) is included, which protects cached write data during unexpected power loss — without it, the controller defaults to write-through mode to prevent data corruption.
The H730P 3V42G is most commonly available as a Dell-certified pull from decommissioned servers. Verify condition and warranty coverage with the specific seller, as listings vary between new-old-stock and refurbished units.

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