Dell

Dell 342-5821 800GB SATA 3Gb/s 2.5in RI SSD

Name: Dell 342-5821 800GB SATA 3Gb/s 2.5in RI SSD
Brand: Dell
SKU: 342-5821
Price: 838 USD
Availability: InStock

MPN: 342-5821·By: Dell

Part #:342-5821NewIn stock

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$838.00

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Dell 342-5821 800GB SATA 3Gb/s 2.5in RI SSD-

$838.00

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Product overview

The Dell 342-5821 is a high-capacity 800GB Solid State Drive optimized for read-intensive applications in enterprise server environments. Featuring SATA 3Gb/s interface and Multi-Level Cell (MLC) NAND flash, it provides reliable performance for workloads such as database servers, virtualization hosts, and content caching. The 2.5-inch Small Form Factor (SFF) design with hot-swap capability ensures seamless integration and maintenance in Dell PowerEdge rack, tower, and blade servers, as well as PowerVault MD series storage arrays. This SSD enhances boot times, accelerates data access, and improves overall system responsiveness while maintaining durability for continuous operation. Ideal for data centers requiring cost-effective, high-reliability storage upgrades without compromising on compatibility or performance.

800GB capacity stores large datasets efficiently.
SATA 3Gb/s interface ensures reliable data transfer.
Read Intensive MLC NAND optimizes for frequent reads.
2.5-inch SFF form factor fits compact server bays.
Hot-swappable design enables maintenance without downtime.
Compatible with PowerEdge R/T series and PowerVault MD.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	342-5821
Brand	Dell
Condition	New
Workload	Read Intensive (RI)
Endurance	Read Intensive
NAND Type	Multi-Level Cell (MLC)
Wireless LAN	No
Hot Swappable	Yes
Flash Memory Technology	Multi-Level Cell

Storage

Capacity	800GB

Network & Communication

Data Transfer Rate	3Gb/s
Maximum Data Transfer Rate	3Gb/s

Physical Characteristics

Form Factor	2.5-inch SFF

Interface/Ports

Interface	SATA 3Gb/s
Drive Interface	SATA

Compatible systems

Native support in Dell PowerEdge 12G+ servers and PowerVault MD series with 2.5in SFF bays.

Dell PowerEdge
Model: R420, R520, R620, R720, R730
Form factor: 2.5in SFF
Generation: 12G/13G
Hot-swap bays required
Dell PowerEdge
Model: T420, T620, T630
Form factor: 2.5in SFF
Generation: 12G
Tower server compatibility
Dell PowerVault
Model: MD3200, MD3420, MD3620
Form factor: 2.5in SFF
Direct attach storage arrays

Best for

Database Servers
Accelerates query processing and transaction logging with fast read speeds in SQL/NoSQL databases.
Virtualization Hosts
Improves VM boot times and storage I/O for vSphere or Hyper-V environments.
Content Caching
Enhances web server performance by caching frequently accessed static content.
Boot Drives
Reduces server startup times in rackmount PowerEdge deployments.
Log Storage
Handles high-volume read operations for application and system logs.
Backup Archives
Provides reliable read access for secondary storage in PowerVault arrays.

Frequently asked questions

What is the capacity and interface of the Dell 342-5821 SSD?

The Dell 342-5821 offers 800GB storage capacity via SATA 3Gb/s interface in a 2.5-inch SFF form factor. This configuration supports read-intensive workloads with MLC NAND, delivering consistent performance for enterprise servers like PowerEdge R730 and PowerVault MD3420.

Is the 342-5821 hot-swappable and what is its workload rating?

Yes, the Dell 342-5821 is hot-swappable for zero-downtime replacement. Rated Read Intensive (RI), it excels in applications with high read-to-write ratios such as virtualization and databases, ensuring endurance in Dell server environments.

Which Dell servers support the 342-5821 SSD?

Compatible with PowerEdge models including R420, R520, R620, R720, R730, T420, T620, and PowerVault MD1120, MD3200, MD3420 series. Verify specific bay configurations for 2.5-inch SFF drives in your chassis.

What NAND type does the 342-5821 use and its benefits?

Multi-Level Cell (MLC) NAND provides balanced density, performance, and endurance for read-heavy tasks. It offers higher capacity than SLC at lower cost than TLC, ideal for sustained reads in data center storage tiers.

How does the 342-5821 perform in read-intensive scenarios?

Optimized for read-intensive workloads, it handles frequent data retrieval with low latency via SATA 3Gb/s. Perfect for boot volumes, caches, and analytics where write endurance is secondary to read speed.

What form factor and transfer rate does it support?

2.5-inch SFF form factor with 3Gb/s SATA transfer rate. This enables deployment in standard server drive bays, supporting up to 300MB/s theoretical reads for efficient data access in mixed workloads.

Details

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Manufacturer part #

342-5821

Brand

Dell

Condition

New

Workload

Read Intensive (RI)

Endurance

Read Intensive

NAND Type

Multi-Level Cell (MLC)

Wireless LAN

Hot Swappable

Yes

Flash Memory Technology

Multi-Level Cell

Data Transfer Rate

3Gb/s

Maximum Data Transfer Rate

3Gb/s

Interface

SATA 3Gb/s

Drive Interface

SATA

Dell 342-5821 800GB SATA 3Gb/s 2.5in RI SSD

Product overview

Featuring

Storage

Network & Communication

Physical Characteristics

Interface/Ports

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Shop these collections

Dell 342-5821 800GB SATA 3Gb/s 2.5in RI SSD

Product overview

Featuring

Storage

Network & Communication

Physical Characteristics

Interface/Ports

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Shop these collections