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G.Skill F3-1333C9S-4GNS 4GB DDR3 1333MHz Memory — main product image
G.Skill F3-1333C9S-4GNS 4GB DDR3 1333MHz Memory
G.Skill F3-1333C9S-4GNS 4GB DDR3 1333MHz Memory
G.Skill F3-1333C9S-4GNS 4GB DDR3 1333MHz Memory
G.Skill F3-1333C9S-4GNS 4GB DDR3 1333MHz Memory
G.Skill

G.Skill F3-1333C9S-4GNS 4GB DDR3 1333MHz Memory

★★★★★4.4 (54 reviews)
4 GB Memory

Budget-friendly 4GB DDR3-1333 desktop memory module with reliable 9-9-9-24 timings for everyday computing.

$22.23*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The G.Skill F3-1333C9S-4GNS is a single 4GB DDR3-1333 desktop memory module running at PC3-10600 speeds with 9-9-9-24 latency timings. It uses the standard 240-pin DIMM form factor, making it compatible with a wide range of DDR3-era desktop motherboards from Intel and AMD platforms. For systems that originally shipped with 2GB or 4GB of RAM, adding or replacing a module like this can provide a meaningful improvement in multitasking capability and overall system responsiveness.

As a DDR3 product, this module is best understood as a maintenance or incremental upgrade part for existing systems rather than a component for new builds. The 1333MHz speed and CAS 9 latency sit at the entry level of the DDR3 specification, which is perfectly adequate for general productivity, web browsing, and light application use. G.Skill is a well-established memory manufacturer, and this module adheres to standard JEDEC specifications for broad plug-and-play compatibility without requiring manual BIOS configuration in most systems.

Key Features

Memory module, F3-1333C9S-4GNS, timing: 9-9-9-24

DIMM DDR3-1.333 (PC3-10.600), 4 GB

Memory module type: SDRAM-DDR3

Format: DIMM

Capacity: 4 GB

Specifications

Brand
G.Skill
Model
F3-1333C9S-4GNS
Capacity
4 GB
Type
DDR3 SDRAM
Speed
1333 MHz (PC3-10600)
Form Factor
240-Pin DIMM
Timings
9-9-9-24

Pros & Cons

👍 Pros

  • Affordable way to add or replace 4GB of memory in a DDR3-based desktop system.
  • CAS latency of 9 with 9-9-9-24 timings provides consistent, predictable performance.
  • Standard 240-pin DIMM format ensures broad compatibility with DDR3 desktop motherboards.
  • G.Skill brand offers reliable memory with a reputation for compatibility.

👎 Cons

  • 4GB capacity is minimal for modern operating systems and multitasking workloads.
  • DDR3-1333 speed is at the lower end of the DDR3 range, slower than 1600MHz or 1866MHz options.
  • Single module does not take advantage of dual-channel memory bandwidth.
  • DDR3 is a legacy standard, limiting this module to older platforms only.

Frequently Asked Questions

This is a 240-pin DDR3 DIMM, compatible with desktop motherboards that support DDR3-1333 (PC3-10600) memory. It is not compatible with laptops (which use SO-DIMMs) or DDR4/DDR5 systems.
It can generally be mixed with other DDR3 modules, but for optimal stability and performance, pairing it with modules of the same speed and timing specifications is recommended.
Standard DDR3-1333 modules operate at 1.5V, which is the default DDR3 voltage specification.
This is a single 4GB module (1x4GB), not a multi-module kit.

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