»Expansion Boards

52 Channel 24 Bit 96 kHz Digital Audio Multitrack System

"Excellent Choice!"

"The Hammerfall is a killer!"


Overview Settings Dialog Technical Specs / Features Unique Technologies Pricing
Originally only intended for ASIO operation the Hammerfall became reference all around the world in a short time - because even under MME its performance is a real killer! This card is RME's ultimate answer to the challenges of modern PC-based hard disk recording - loaded with numerous unique features.

Only our unsurpassed Hammerfall technology offers latencies down to 1.5 ms - not only in theory, but in reality! Break the barriers of common limits and performance restrictions with Project Hammerfall.

The Hammerfall also allows to connect further Expansion Boards (EXB). One internal ADAT input and two internal ADAT outputs allow you to realize up to 8 analog inputs, 16 analog outputs or even one TDIF interface directly inside the computer.

  1. 3 x ADAT digital I/O, based on RME's reliable Bitclock PLL
  2. 1 x SPDIF digital I/O, based on RME's reliable DIGI96 technology
  3. 1 x ADAT Sync In (9-pin D-type) for sample accurate transfers
  4. 1 x Word clock I/O (BNC) on included expansion board
  5. 1 x Breakout cable for coaxial SPDIF operation
  6. Zero wait state PCI Busmaster interface with additional burst FIFO (130 MB/s transfer rate in both directions)
  7. New hardware design: 52 mono channels in block mode, organized in 32 bit ASIO double buffers
  8. ASIO poured in hardware! The result in speed and performance is 0 (zero!)% CPU load when using ALL 52 channels!
  9. 130 MB/s transfer rate for record and playback results in only 9% PCI bus load when using all 52 channels
  10. New Enhanced Zero Latency Monitoring
  11. S/MUX poured in hardware: 12 channels 96 kHz/24 bit for record and playback

...and numerous other features found already in the DIGI96 series cards. But the best is still to come: The price! It will make you weak at the knees...

The Hammerfall series offers drivers for Windows 98/ME (MME with multi-client operation, ASIO 2.0, GSIF), Windows NT, Windows 2000/XP (ASIO multi-client operation of MME, GSIF 2.0 and ASIO 2.0), Mac OS 9.x (ASIO 2.0), Mac OS X (Core Audio) and Linux (ALSA.)


Just click on the hammer symbol in the systray of the taskbar and the settings dialog of the DIGI9652 comes up. The clear structured, easy to understand window plus the unique informative status windows for input signal, clock mode, sample rate and time code make your work with Project Hammerfall to a real pleasure. With a simple mouse click (or a freely configurable key shortcut) you gain access to the full power of your card.

When working with several digital sources it is not only necessary that these are all properly locked, they also have to be totally synchronized. Else drop outs and crackling occurs. RME's exclusive SyncCheck checks all input signals and displays their actual state.

A display of the time code at the ADAT Sync-In port offers a quick check of the communication between external device and Hammerfall.

Newest driver on the download page!
Supported sample frequencies: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
All settings changeable in realtime, all output options even in playback mode
Clock modes slave and master
Special sample buffer avoids noise even in asynchronous Full Duplex operation
Enhanced Mixed mode: ADAT input plus SPDIF input plus all outputs simultaneous operational
Automatic and intelligent master/slave clock control
Unsurpassed Bitclock PLL (audio synchronization) in ADAT mode
8 buffer sizes/latencies available: 1.5 ms, 3 ms, 6 ms, 12 ms, 23 ms, 46 ms, 93 ms, 186 ms
Byte swap for Mac included in hardware
Enhanced Zero Latency Monitoring: realtime monitoring in all clock modes and even at different sample rates
Comes with DIGICheck: the ultimate measurement, analysis and test tool
Complete interrupt sharing
Input 3 x optical (TOSLINK), 1 x coaxial (Cinch), internal (CD-ROM/Sync-In), word clock (BNC)
Input format SPDIF, AES/EBU (Consumer, Professional), ADAT optical
Output 3 x optical (TOSLINK), coaxial (Cinch), internal (Sync-Out), word clock (BNC)
Format output SPDIF, AES/EBU (Consumer/Professional), ADAT optical

  • AutoSync
    Intelligent clock control according to operational mode and present/desired sample rate.
  • Bitclock PLL
    The most reliable receiver circuit for ADAT optical signal.
  • Enhanced ZLM®
    Monitoring of the input signal, independent from clock mode and sample rate.
  • Hi-Performance
    Custom chip (FPGA) ensures full performance and minimal driver action.
  • Latency Fast Change
    Change latency on-the-fly under ASIO, without manual reset or re-boot.
  • SuperFast
    Ultra-efficient busmaster controller with additional burst FIFO.
  • SyncAlign®
    Surveillance and sample accurate synchronization of all channels.
  • SyncCheck®
    Comparison and display of all input's clock status.
  • Zero Latency Monitoring - ZLM®
    Automatic monitoring of the input signal with zero latency.

A complete overview of all the unique technologies in the Hammerfall series can be found here.

See your local distributor's website for current price information.

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