Name: 12W3T Dell 12Gb/s SAS 4GB Cache PCIe 3.0 RAID Controller
Brand: Dell
SKU: 12W3T
Price: 519.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The 12W3T Dell Perc H840 is a PCI-Express 3.0 RAID controller designed to manage SAS storage arrays efficiently. It fits well in enterprise server setups where maintaining data performance and redundancy is critical. The controller balances speed and reliability through its 12Gb/s SAS interface and 4GB of onboard cache, making it suitable for demanding storage applications.

General Information
Brand	Dell
Part Number	12W3T

Technical Specification
Chipset	Broadcom/LSI SAS 3108 (12Gb/s SAS)
Host Interface	PCI-Express 3.0 x8 (Gen3 x8)
Data Rate	12 Gb/s per port (12Gb/s SAS)
RAID Levels	RAID 0,1,5,6,10,50,60,JBOD
Cache	4 GB non-volatile cache (flash-backed/NV cache)
Connectivity	SAS 12Gb/s,SATA 6Gb/s
External Interface	PCI-Express 3.0 x8
Compatibility	Dell PowerEdge servers that support PERC H840 (verify exact server/firmware compatibility with Dell compatibility matrix; commonly used in R730xd/R730/R630/R930 class servers)

Physical Characteristics
Form Factor	Low-profile (half-height) PCIe add-in card; full-height bracket included
Weight	3.00
Condition	Refurbished

Miscellaneous
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, cURus, CE, FCC, CCC, UL, TUV, cULus, CSA, cUL

Product Description
The 12W3T Dell Perc H840 is a RAID controller built for managing multiple storage drives efficiently. It is often found in enterprise servers and storage systems where high data throughput and reliability matter. IT professionals and system administrators rely on controllers like this to optimize storage configurations and ensure data integrity. Key Features Offers 12Gb/s SAS speed for fast data access Equipped with 4GB cache to reduce latency during heavy workloads PCI-Express 3.0 interface ensures compatibility with modern servers Supports RAID levels 0, 1, 5, 6, 10, 50, and 60 for flexible storage setups Includes advanced error recovery features for data protection This RAID controller is typically deployed in data centers or server environments where large volumes of data require both speed and redundancy. Its combination of fast SAS connections and substantial cache helps in handling intensive storage tasks without bottlenecks.

Use Cases
The Dell Perc H840 RAID controller is optimized for enterprise data centers and high-demand server environments requiring reliable storage management and accelerated data throughput. It is particularly suited for IT professionals managing virtualization workloads, large-scale database servers, and storage clusters that demand consistent performance and fault tolerance. How It's Used: Deployed in enterprise server farms to ensure data redundancy and maximize uptime for critical applications. Integrated into virtualization environments to provide efficient storage pooling and rapid access to virtual machine data. Utilized in high-transaction database servers where low latency and high throughput are essential for operational efficiency. Implemented in storage clusters supporting big data analytics requiring scalable and dependable RAID protection. Employed in remote office server setups to maintain data resilience without compromising speed over SAS-connected storage arrays. By leveraging its high-speed SAS interface and substantial cache memory, this RAID controller helps maintain balanced performance and resiliency across complex storage configurations. The Dell Perc H840 enables scalable growth while supporting demanding workloads typical of enterprise-grade IT infrastructure.

12W3T Dell 12Gb/s SAS 4GB Cache PCIe 3.0 RAID Controller

Product Overview

General Information

Technical Specification

Physical Characteristics

Miscellaneous

Product Description

Use Cases