Wrth i’r banc gael ei lansio, bydd cyllid ar gael drwy Gronfa Fuddsoddi Cymru, sef cronfa newydd sy'n werth £100 miliwn. Bydd mwy o ficrogyllid ar gael a bydd yn cynnig telerau benthyca estynedig. Mae gan Fanc Datblygu Cymru gyfanswm o ryw £440 miliwn ar gael i fuddsoddi mewn busnesau yng Nghymru.
It launches with the new £100m Wales Flexible Investment Fund, more micro finance available and extended lending terms.  In total the Development Bank of Wales has around £440m available to invest in Welsh business.