# Siemens SIMATIC S7-300 Memory Card 64 KB 6ES7953-8LF31-0AA0

**URL:** https://aio.lv/en/product--siemens-6es79538lf310aa0--3444590
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Server Parts & Components
**Manufacturer:** Siemens
**Manufacturer code:** 6ES79538LF310AA0
**EAN:** 4047623402619
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 148.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 122.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6es79538lf310aa0--3444590

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 22.49 EUR |

## Summary description

The Siemens 6ES7953-8LF31-0AA0 is a 64 KB Micro Memory Card (MMC) designed for use with SIMATIC S7-300, C7, and ET 200 automation systems. This reliable storage module is essential for saving user programs, data blocks, and configuration settings in industrial PLC environments, ensuring seamless operation and efficient data management for your automation projects.

## Long description

The Siemens SIMATIC S7-300 Memory Card with a capacity of 64 KB is a dedicated Micro Memory Card (MMC) engineered for high-performance industrial automation. This storage module serves as a critical component for Siemens SIMATIC S7-300, C7, and ET 200 systems, providing a secure and reliable medium for storing user programs, data blocks, and complex configuration settings. Its robust design ensures data integrity and consistent performance within demanding industrial environments.
Advantages
This memory card offers exceptional reliability for industrial automation tasks, ensuring that your PLC programs and configuration data remain intact even during power cycles. Its compact form factor is specifically optimized for seamless integration into Siemens hardware, allowing for quick installation and efficient data management. By utilizing this original storage solution, users benefit from high compatibility and stability, which are essential for maintaining the uptime and operational efficiency of automated production lines and control systems.
Suitable for
Storing user programs for SIMATIC S7-300 controllers
Saving data blocks and configuration parameters in C7 systems
Managing project data for ET 200 distributed I/O stations
Industrial automation projects requiring reliable non-volatile memory
When it may not be suitable
This memory card is not suitable for applications requiring large-scale data logging or high-capacity storage, as its 64 KB limit is restricted to program and configuration files. It is also incompatible with newer PLC series that utilize different memory card formats, such as SIMATIC S7-1200 or S7-1500 systems.
Key specifications
Capacity: 64 KB
Format: Micro Memory Card (MMC)
Compatibility: SIMATIC S7-300, C7, and ET 200 systems
Function: Storage of user programs and data blocks
How to use
To use the memory card, ensure the PLC is powered off or in the appropriate state as defined by the system manual. Insert the card into the designated slot on the CPU module until it clicks into place. Once installed, the PLC can read the stored programs and configuration data upon startup. If you need to update the program, use the compatible Siemens programming software to transfer the new data onto the card via the PLC interface.
What to consider before purchase
Verify the specific memory requirements of your PLC project
Ensure compatibility with your existing CPU model
Check if your current hardware supports the MMC format
Usage recommendations: Always handle the memory card with care to avoid electrostatic discharge. Ensure the card is fully inserted before powering on the system to prevent data corruption or hardware errors.

## FAQ

### How much does the Siemens SIMATIC S7-300 Memory Card 64 KB 6ES7953-8LF31-0AA0 cost, and is it available for purchase?

The price is 148.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Siemens SIMATIC S7-300 Memory Card 64 KB 6ES7953-8LF31-0AA0 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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